SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Becton Dickinson & Co. – ‘10-Q’ for 3/31/21 – ‘EX-101.DEF’

On:  Thursday, 5/6/21, at 1:08pm ET   ·   For:  3/31/21   ·   Accession #:  10795-21-46   ·   File #:  1-04802

Previous ‘10-Q’:  ‘10-Q’ on 2/4/21 for 12/31/20   ·   Next:  ‘10-Q’ on 8/5/21 for 6/30/21   ·   Latest:  ‘10-Q’ on 5/2/24 for 3/31/24   ·   19 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 5/06/21  Becton Dickinson & Co.            10-Q        3/31/21   60:6.9M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    785K 
 2: EX-22       Published Report re: Matters Submitted to a Vote    HTML     17K 
                of Security Holders                                              
 3: EX-31       Certification -- §302 - SOA'02                      HTML     27K 
 4: EX-32       Certification -- §906 - SOA'02                      HTML     20K 
11: R1          Cover Page                                          HTML     93K 
12: R2          Condensed Consolidated Balance Sheets               HTML    119K 
13: R3          Condensed Consolidated Statements of Income         HTML     87K 
14: R4          Condensed Consolidated Statements of Comprehensive  HTML     44K 
                Income                                                           
15: R5          Condensed Consolidated Statements of Cash Flows     HTML     80K 
16: R6          Basis of Presentation                               HTML     21K 
17: R7          Accounting Changes                                  HTML     20K 
18: R8          Shareholders' Equity                                HTML    161K 
19: R9          Earnings Per Share                                  HTML     32K 
20: R10         Contingencies                                       HTML     47K 
21: R11         Revenues                                            HTML     27K 
22: R12         Segment Data                                        HTML    154K 
23: R13         Benefit Plans                                       HTML     40K 
24: R14         Business Restructuring Charges                      HTML     43K 
25: R15         Intangible Assets                                   HTML     55K 
26: R16         Derivative Instruments and Hedging Activities       HTML     44K 
27: R17         Financial Instruments and Fair Value Measurements   HTML     32K 
28: R18         Debt                                                HTML     24K 
29: R19         Subsequent Events                                   HTML     21K 
30: R20         Accounting Changes (Policies)                       HTML     42K 
31: R21         Shareholders' Equity (Tables)                       HTML    162K 
32: R22         Earnings Per Share (Tables)                         HTML     31K 
33: R23         Segment Data (Tables)                               HTML    153K 
34: R24         Benefit Plans (Tables)                              HTML     35K 
35: R25         Business Restructuring Charges (Tables)             HTML     43K 
36: R26         Intangible Assets (Tables)                          HTML     57K 
37: R27         Derivative Instruments and Hedging Activities       HTML     29K 
                (Tables)                                                         
38: R28         Financial Instruments and Fair Value Measurements   HTML     25K 
                (Tables)                                                         
39: R29         Shareholders' Equity - Changes in Certain           HTML     69K 
                Components of Shareholders' Equity (Details)                     
40: R30         Shareholders' Equity - Accumulated Other            HTML     42K 
                Comprehensive Income (Loss) - Components and                     
                Changes of Accumulated Other Comprehensive Income                
                (Loss) (Detail)                                                  
41: R31         Earnings Per Share - Weighted Average Common        HTML     32K 
                Shares Used in Computations of Basic and Diluted                 
                Earnings per Share (Detail)                                      
42: R32         Contingencies - Additional Information (Detail)     HTML     51K 
43: R33         Revenues - Additional Information (Details)         HTML     27K 
44: R34         Segment Data - Additional Information (Detail)      HTML     20K 
45: R35         Segment Data - Revenues by Geographic Areas         HTML     87K 
                (Detail)                                                         
46: R36         Segment Data - Financial Information for Company's  HTML     50K 
                Segments (Detail)                                                
47: R37         Benefit Plans - Net Pension and Postretirement      HTML     38K 
                Cost (Detail)                                                    
48: R38         Business Restructuring Charges - Summary of         HTML     46K 
                Restructuring Accrual Activity (Detail)                          
49: R39         Intangible Assets - Components of Intangible        HTML     41K 
                Assets (Detail)                                                  
50: R40         Intangible Assets - Additional Information          HTML     20K 
                (Detail)                                                         
51: R41         Intangible Assets - Reconciliation of Goodwill by   HTML     36K 
                Business Segment (Detail)                                        
52: R42         Derivative Instruments and Hedging Activities -     HTML     43K 
                Additional Information (Detail)                                  
53: R43         Derivative Instruments and Hedging Activities       HTML     24K 
                Disclosure - Gains (Losses) on Net Investment                    
                Hedges (Details)                                                 
54: R44         Financial Instruments and Fair Value Measurements   HTML     26K 
                - Cash and Equivalents and Restricted Cash                       
                (Details)                                                        
55: R45         Financial Instruments and Fair Value Measurements   HTML     44K 
                - Additional Information (Detail)                                
56: R46         Debt - Additional Information (Detail)              HTML     52K 
58: XML         IDEA XML File -- Filing Summary                      XML    103K 
10: XML         XBRL Instance -- bdx-20210331_htm                    XML   2.25M 
57: EXCEL       IDEA Workbook of Financial Reports                  XLSX     74K 
 6: EX-101.CAL  XBRL Calculations -- bdx-20210331_cal                XML    162K 
 7: EX-101.DEF  XBRL Definitions -- bdx-20210331_def                 XML    418K 
 8: EX-101.LAB  XBRL Labels -- bdx-20210331_lab                      XML   1.12M 
 9: EX-101.PRE  XBRL Presentations -- bdx-20210331_pre               XML    602K 
 5: EX-101.SCH  XBRL Schema -- bdx-20210331                          XSD    114K 
59: JSON        XBRL Instance as JSON Data -- MetaLinks              299±   410K 
60: ZIP         XBRL Zipped Folder -- 0000010795-21-000046-xbrl      Zip    235K

‘EX-101.DEF’   —   XBRL Definitions — bdx-20210331_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- Copyright 2021 Workiva -->
<!-- r:76201403-05a9-4447-a0f1-736c8221e1ba,g:7115b879-f8ef-4db2-b816-eac07ecf8b0d -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
<link:roleRef roleURI="http://www.bd.com/role/CoverPage" xlink:type="simple" xlink:href="bdx-20210331.xsd#CoverPage"/>
<link:definitionLink xlink:role="http://www.bd.com/role/CoverPage" xlink:type="extended" id="i7011c0788ce74987b60605932e33292e_CoverPage">
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_e2c69555-e995-43ac-a2ca-b64dc6327fa6" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentType"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentType_e2c69555-e995-43ac-a2ca-b64dc6327fa6" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_4d67da5a-2617-4120-98c4-5f23e48f52df" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentQuarterlyReport"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentQuarterlyReport_4d67da5a-2617-4120-98c4-5f23e48f52df" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_e265b9b8-85bc-42f1-b6ee-6b86662c09c2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentPeriodEndDate_e265b9b8-85bc-42f1-b6ee-6b86662c09c2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_4822445d-32c9-4587-a700-da0b91deacd6" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentTransitionReport"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentTransitionReport_4822445d-32c9-4587-a700-da0b91deacd6" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_bb96086d-030b-4eae-bf8f-de66d0d158f2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFileNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityFileNumber_bb96086d-030b-4eae-bf8f-de66d0d158f2" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_a12a7a8c-14e5-4a56-a9da-ad296ab9d844" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityRegistrantName_a12a7a8c-14e5-4a56-a9da-ad296ab9d844" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_9c4cb208-432c-45df-8a4c-c6dfd46f867e" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityCentralIndexKey_9c4cb208-432c-45df-8a4c-c6dfd46f867e" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_dfac8834-4ec4-427f-93db-e282f1e070a4" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_CurrentFiscalYearEndDate_dfac8834-4ec4-427f-93db-e282f1e070a4" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_ee95f34c-d022-455e-8a57-d07fb3b43a1e" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalYearFocus"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentFiscalYearFocus_ee95f34c-d022-455e-8a57-d07fb3b43a1e" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_1ef9222e-2da3-4fcc-86be-f8e15977a299" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_DocumentFiscalPeriodFocus_1ef9222e-2da3-4fcc-86be-f8e15977a299" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_85a336d4-65d5-4943-91db-602a7ea8c473" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_AmendmentFlag_85a336d4-65d5-4943-91db-602a7ea8c473" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_99932a9f-6f4a-479f-ada3-4700470e3fd7" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityIncorporationStateCountryCode_99932a9f-6f4a-479f-ada3-4700470e3fd7" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_e26f6813-bf4e-4d80-bad8-6dfcf6f9bb43" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityTaxIdentificationNumber_e26f6813-bf4e-4d80-bad8-6dfcf6f9bb43" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_c20bae4d-93cc-4995-9ea0-574764694652" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressAddressLine1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityAddressAddressLine1_c20bae4d-93cc-4995-9ea0-574764694652" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_53884ce0-09e5-482c-ae78-ea38c5f655e8" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressCityOrTown"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityAddressCityOrTown_53884ce0-09e5-482c-ae78-ea38c5f655e8" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_d88a2af5-6865-43e5-89e2-c3ccf5a6e821" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressStateOrProvince"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityAddressStateOrProvince_d88a2af5-6865-43e5-89e2-c3ccf5a6e821" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_95fc02be-a200-4110-8a10-aec5e676222f" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressPostalZipCode"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityAddressPostalZipCode_95fc02be-a200-4110-8a10-aec5e676222f" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_bece6b74-a7d3-496c-a86e-7f55063a195a" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CityAreaCode"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_CityAreaCode_bece6b74-a7d3-496c-a86e-7f55063a195a" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_cc5c08fc-42e5-4c98-a723-f5000f95e692" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LocalPhoneNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_LocalPhoneNumber_cc5c08fc-42e5-4c98-a723-f5000f95e692" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_2c2471eb-690f-4d38-9c2e-fba9e2f88ade" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_Security12bTitle"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_Security12bTitle_2c2471eb-690f-4d38-9c2e-fba9e2f88ade" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_ab573a1f-13c0-43d4-8090-b44238142acf" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_TradingSymbol"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_TradingSymbol_ab573a1f-13c0-43d4-8090-b44238142acf" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_ccf3e60c-fbc0-412a-80f3-99b713aa7f86" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SecurityExchangeName"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_SecurityExchangeName_ccf3e60c-fbc0-412a-80f3-99b713aa7f86" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_9709a6a1-1779-4bd9-acf5-4b4e1d114cbf" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCurrentReportingStatus"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityCurrentReportingStatus_9709a6a1-1779-4bd9-acf5-4b4e1d114cbf" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_fce3308a-ebed-4081-a40b-6920b4e37d45" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityInteractiveDataCurrent_fce3308a-ebed-4081-a40b-6920b4e37d45" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_7159ae91-3d7b-48d5-8aae-257945303f07" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFilerCategory"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityFilerCategory_7159ae91-3d7b-48d5-8aae-257945303f07" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_2f18da2f-d8cc-406d-8ab5-bddc16ff8c6a" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitySmallBusiness"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntitySmallBusiness_2f18da2f-d8cc-406d-8ab5-bddc16ff8c6a" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01d948aa-ddc1-4cc0-8c35-76ac433a676d" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityEmergingGrowthCompany_01d948aa-ddc1-4cc0-8c35-76ac433a676d" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_44c921d4-8d7d-4882-a0b9-f8a4226402e1" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityShellCompany"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityShellCompany_44c921d4-8d7d-4882-a0b9-f8a4226402e1" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_272336f1-d491-4411-a689-ae65eb2344ab" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_272336f1-d491-4411-a689-ae65eb2344ab" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_ab305d12-c0de-4224-9e6e-93e71032f62c" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitiesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_f8f7bab0-23e5-49a9-b145-60a827c97063" xlink:to="loc_dei_EntitiesTable_ab305d12-c0de-4224-9e6e-93e71032f62c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_ab5152ff-b7ca-432d-b62f-f3b61d83427e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_ab305d12-c0de-4224-9e6e-93e71032f62c" xlink:to="loc_us-gaap_StatementClassOfStockAxis_ab5152ff-b7ca-432d-b62f-f3b61d83427e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ab5152ff-b7ca-432d-b62f-f3b61d83427e_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ab5152ff-b7ca-432d-b62f-f3b61d83427e" xlink:to="loc_us-gaap_ClassOfStockDomain_ab5152ff-b7ca-432d-b62f-f3b61d83427e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ab5152ff-b7ca-432d-b62f-f3b61d83427e" xlink:to="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_797d1d8b-39e7-416f-a386-8106879ac8a8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_us-gaap_CommonStockMember_797d1d8b-39e7-416f-a386-8106879ac8a8" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemablePreferredStockMember_b543e83e-b49d-4f29-af8c-d158b5fe5e39" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedeemablePreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_us-gaap_RedeemablePreferredStockMember_b543e83e-b49d-4f29-af8c-d158b5fe5e39" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1.000dueDecember152022Member_4c21e5c2-52ba-4347-bba3-ce689a8633e2" xlink:href="bdx-20210331.xsd#bdx_Notes1.000dueDecember152022Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes1.000dueDecember152022Member_4c21e5c2-52ba-4347-bba3-ce689a8633e2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1.900dueDecember152026Member_e9e41bc5-9c9a-48ba-a7bf-6e9def90e56f" xlink:href="bdx-20210331.xsd#bdx_Notes1.900dueDecember152026Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes1.900dueDecember152026Member_e9e41bc5-9c9a-48ba-a7bf-6e9def90e56f" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1.401dueMay242023Member_11493769-c6f9-4f34-ba2b-ed946b88f47b" xlink:href="bdx-20210331.xsd#bdx_Notes1.401dueMay242023Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes1.401dueMay242023Member_11493769-c6f9-4f34-ba2b-ed946b88f47b" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes3.020dueMay242025Member_747cd56c-f867-465b-926b-d8df4c4a9165" xlink:href="bdx-20210331.xsd#bdx_Notes3.020dueMay242025Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes3.020dueMay242025Member_747cd56c-f867-465b-926b-d8df4c4a9165" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes0.632dueJune42023Member_fbcc1066-fbd3-4b37-ace8-12c123e5267f" xlink:href="bdx-20210331.xsd#bdx_Notes0.632dueJune42023Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes0.632dueJune42023Member_fbcc1066-fbd3-4b37-ace8-12c123e5267f" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1.208dueJune42026Member_b42dd361-577c-4556-bb8c-89f8df1c6a03" xlink:href="bdx-20210331.xsd#bdx_Notes1.208dueJune42026Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes1.208dueJune42026Member_b42dd361-577c-4556-bb8c-89f8df1c6a03" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1213NotesDueFebruary122036Member_1bacee32-ade1-41e5-aacc-eaccddec3033" xlink:href="bdx-20210331.xsd#bdx_Notes1213NotesDueFebruary122036Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc11aa18-a329-4594-8079-16efcb763b80" xlink:to="loc_bdx_Notes1213NotesDueFebruary122036Member_1bacee32-ade1-41e5-aacc-eaccddec3033" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsExchangeAxis_93e953eb-cc00-4182-8681-f2fcdd93dd6e" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityListingsExchangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_ab305d12-c0de-4224-9e6e-93e71032f62c" xlink:to="loc_dei_EntityListingsExchangeAxis_93e953eb-cc00-4182-8681-f2fcdd93dd6e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_93e953eb-cc00-4182-8681-f2fcdd93dd6e_default" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_ExchangeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_EntityListingsExchangeAxis_93e953eb-cc00-4182-8681-f2fcdd93dd6e" xlink:to="loc_dei_ExchangeDomain_93e953eb-cc00-4182-8681-f2fcdd93dd6e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_c02a357c-a78a-4f09-b7be-24d01db4c7d2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_ExchangeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_EntityListingsExchangeAxis_93e953eb-cc00-4182-8681-f2fcdd93dd6e" xlink:to="loc_dei_ExchangeDomain_c02a357c-a78a-4f09-b7be-24d01db4c7d2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_exch_XNYS_9288eaf4-ff01-43e0-9308-884f5745de2d" xlink:href="https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd#exch_XNYS"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_ExchangeDomain_c02a357c-a78a-4f09-b7be-24d01db4c7d2" xlink:to="loc_exch_XNYS_9288eaf4-ff01-43e0-9308-884f5745de2d" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="bdx-20210331.xsd#CondensedConsolidatedBalanceSheets"/>
<link:definitionLink xlink:role="http://www.bd.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended" id="i438df36479ad4b0ca1c284c63efe25ae_CondensedConsolidatedBalanceSheets"/>
<link:roleRef roleURI="http://www.bd.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="simple" xlink:href="bdx-20210331.xsd#CondensedConsolidatedStatementsofIncome"/>
<link:definitionLink xlink:role="http://www.bd.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="extended" id="ib0956e4c3b964ba6a4a231098340ee75_CondensedConsolidatedStatementsofIncome"/>
<link:roleRef roleURI="http://www.bd.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="bdx-20210331.xsd#CondensedConsolidatedStatementsofComprehensiveIncome"/>
<link:definitionLink xlink:role="http://www.bd.com/role/CondensedConsolidatedStatementsofComprehensiveIncome" xlink:type="extended" id="i6c2712735aae4cef8e75e367ac0ce691_CondensedConsolidatedStatementsofComprehensiveIncome"/>
<link:roleRef roleURI="http://www.bd.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="bdx-20210331.xsd#CondensedConsolidatedStatementsofCashFlows"/>
<link:definitionLink xlink:role="http://www.bd.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended" id="i403156a2ac7c4c74ad236755535bedcc_CondensedConsolidatedStatementsofCashFlows"/>
<link:roleRef roleURI="http://www.bd.com/role/BasisofPresentation" xlink:type="simple" xlink:href="bdx-20210331.xsd#BasisofPresentation"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BasisofPresentation" xlink:type="extended" id="i3a1cd0b265cf4dac851e006a8fe32d2a_BasisofPresentation"/>
<link:roleRef roleURI="http://www.bd.com/role/AccountingChanges" xlink:type="simple" xlink:href="bdx-20210331.xsd#AccountingChanges"/>
<link:definitionLink xlink:role="http://www.bd.com/role/AccountingChanges" xlink:type="extended" id="i23a9b77a03b342b5b5cdbbd1812edd55_AccountingChanges"/>
<link:roleRef roleURI="http://www.bd.com/role/AccountingChangesPolicies" xlink:type="simple" xlink:href="bdx-20210331.xsd#AccountingChangesPolicies"/>
<link:definitionLink xlink:role="http://www.bd.com/role/AccountingChangesPolicies" xlink:type="extended" id="i585d214482cb4c12b1eb1e6967251ea9_AccountingChangesPolicies"/>
<link:roleRef roleURI="http://www.bd.com/role/ShareholdersEquity" xlink:type="simple" xlink:href="bdx-20210331.xsd#ShareholdersEquity"/>
<link:definitionLink xlink:role="http://www.bd.com/role/ShareholdersEquity" xlink:type="extended" id="i1d6c88671d4748d5a586241bea405bd3_ShareholdersEquity"/>
<link:roleRef roleURI="http://www.bd.com/role/ShareholdersEquityTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#ShareholdersEquityTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/ShareholdersEquityTables" xlink:type="extended" id="ic51733e5aa0a458e9bd466daa48bf7af_ShareholdersEquityTables"/>
<link:roleRef roleURI="http://www.bd.com/role/ShareholdersEquityChangesinCertainComponentsofShareholdersEquityDetails" xlink:type="simple" xlink:href="bdx-20210331.xsd#ShareholdersEquityChangesinCertainComponentsofShareholdersEquityDetails"/>
<link:definitionLink xlink:role="http://www.bd.com/role/ShareholdersEquityChangesinCertainComponentsofShareholdersEquityDetails" xlink:type="extended" id="i5e0104f263d84460a2839bf8a9cb0eee_ShareholdersEquityChangesinCertainComponentsofShareholdersEquityDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b8fb6fb3-15fd-4e91-a3f6-70297aef4175" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_StockholdersEquity_b8fb6fb3-15fd-4e91-a3f6-70297aef4175" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_91aa3310-bc6b-4d3e-a48b-44a7d2d9db3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_TreasuryStockShares_91aa3310-bc6b-4d3e-a48b-44a7d2d9db3c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_619c9346-94c2-447e-9375-17421a656127" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_NetIncomeLoss_619c9346-94c2-447e-9375-17421a656127" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_6f93101e-2a6b-4eb4-80f1-ef878ef8aeba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsCommonStockCash"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_DividendsCommonStockCash_6f93101e-2a6b-4eb4-80f1-ef878ef8aeba" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_a0f14261-1766-4345-82a0-011569263244" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsPreferredStock"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_DividendsPreferredStock_a0f14261-1766-4345-82a0-011569263244" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_bfe32082-4538-4e8e-a0fe-16dd547c9292" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_bfe32082-4538-4e8e-a0fe-16dd547c9292" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_848d913f-5a47-4bd1-b354-ac9639baeed1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_848d913f-5a47-4bd1-b354-ac9639baeed1" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_591e9c55-492b-4385-956c-637a5ff24538" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_591e9c55-492b-4385-956c-637a5ff24538" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_CommonStockHeldInTrustsNetShares_edaa6a4f-2fa8-47f8-9daf-e9aa07404049" xlink:href="bdx-20210331.xsd#bdx_CommonStockHeldInTrustsNetShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_bdx_CommonStockHeldInTrustsNetShares_edaa6a4f-2fa8-47f8-9daf-e9aa07404049" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther_2fb93505-f410-4bf9-bdfe-ad1eb3db71aa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityOther"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_StockholdersEquityOther_2fb93505-f410-4bf9-bdfe-ad1eb3db71aa" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_02c45f03-6c81-4c89-9f02-8f7b76194bec" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_bae761a7-d88d-419d-982c-7e138b5ccbb9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockShares"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_6a6c2e12-3832-4b61-b3d6-6bbc1e40e1d8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_6a6c2e12-3832-4b61-b3d6-6bbc1e40e1d8" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_0f9a5534-a792-49d7-9bcd-746f6e1b8544" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_84a67029-8dd1-4fcd-b9d0-e9fbd3a35e65" xlink:to="loc_us-gaap_StatementTable_0f9a5534-a792-49d7-9bcd-746f6e1b8544" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_090615ec-454b-4ee8-b55f-8da0445a6954" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_0f9a5534-a792-49d7-9bcd-746f6e1b8544" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_090615ec-454b-4ee8-b55f-8da0445a6954" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_090615ec-454b-4ee8-b55f-8da0445a6954_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_090615ec-454b-4ee8-b55f-8da0445a6954" xlink:to="loc_us-gaap_EquityComponentDomain_090615ec-454b-4ee8-b55f-8da0445a6954_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_090615ec-454b-4ee8-b55f-8da0445a6954" xlink:to="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_d1ea8ec5-d626-451b-9042-9aa52b69db41" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:to="loc_us-gaap_CommonStockMember_d1ea8ec5-d626-451b-9042-9aa52b69db41" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_14044727-b308-487f-ac03-470d06eba85d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_14044727-b308-487f-ac03-470d06eba85d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_8e003198-ede3-4d79-90a9-917ca1be7917" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:to="loc_us-gaap_RetainedEarningsMember_8e003198-ede3-4d79-90a9-917ca1be7917" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_742e4217-e1ac-4f73-871a-cb6def1f41ff" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:to="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_742e4217-e1ac-4f73-871a-cb6def1f41ff" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_c41c5985-5a74-4fa3-b3c2-ade965208644" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_791bf1cf-047c-44d8-bfbf-c8b1f88ca18d" xlink:to="loc_us-gaap_TreasuryStockMember_c41c5985-5a74-4fa3-b3c2-ade965208644" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_0f9a5534-a792-49d7-9bcd-746f6e1b8544" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_e1de70fc-ddb6-4be6-abf0-0469b20150ef" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_0e33e1ed-4aae-4940-8b48-4d6e2f1c7d30" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_e1de70fc-ddb6-4be6-abf0-0469b20150ef" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_14753a61-668d-4049-bf03-efec587aadb0" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_e1de70fc-ddb6-4be6-abf0-0469b20150ef" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_14753a61-668d-4049-bf03-efec587aadb0" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossComponentsandChangesofAccumulatedOtherComprehensiveIncomeLossDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossComponentsandChangesofAccumulatedOtherComprehensiveIncomeLossDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossComponentsandChangesofAccumulatedOtherComprehensiveIncomeLossDetail" xlink:type="extended" id="id21e1e97ad4f4df49dae3f8bcda924af_ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossComponentsandChangesofAccumulatedOtherComprehensiveIncomeLossDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3475d0c-e5ab-441e-94bf-067abc4b5301" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_62447654-b884-4c31-8835-42a408204518" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3475d0c-e5ab-441e-94bf-067abc4b5301" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_62447654-b884-4c31-8835-42a408204518" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4e044596-d360-4971-ad19-8ffc27849b1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_62447654-b884-4c31-8835-42a408204518" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4e044596-d360-4971-ad19-8ffc27849b1f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_756ea071-3e02-4e9d-a435-1b1730a4e1ec" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_62447654-b884-4c31-8835-42a408204518" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_756ea071-3e02-4e9d-a435-1b1730a4e1ec" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_9f775d99-551e-4c13-9422-9fe2daec2055" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_62447654-b884-4c31-8835-42a408204518" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_9f775d99-551e-4c13-9422-9fe2daec2055" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_53c8e0ae-ec7d-41cf-92d4-d71d4acd64b2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_26058041-a911-43d8-a00c-0359d38ddd0e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_c3475d0c-e5ab-441e-94bf-067abc4b5301" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_26058041-a911-43d8-a00c-0359d38ddd0e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_7ee0f654-9a8b-4197-9508-36d48aa5564a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_26058041-a911-43d8-a00c-0359d38ddd0e" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_7ee0f654-9a8b-4197-9508-36d48aa5564a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7ee0f654-9a8b-4197-9508-36d48aa5564a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_7ee0f654-9a8b-4197-9508-36d48aa5564a" xlink:to="loc_us-gaap_EquityComponentDomain_7ee0f654-9a8b-4197-9508-36d48aa5564a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c2b5c9a4-636b-4c6a-8049-b90e0f909a4d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_7ee0f654-9a8b-4197-9508-36d48aa5564a" xlink:to="loc_us-gaap_EquityComponentDomain_c2b5c9a4-636b-4c6a-8049-b90e0f909a4d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_a552f289-8bd7-4ed2-b789-4e11644408ef" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c2b5c9a4-636b-4c6a-8049-b90e0f909a4d" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_a552f289-8bd7-4ed2-b789-4e11644408ef" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_a77e1a4f-8634-4574-ab27-cbfd347e12f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c2b5c9a4-636b-4c6a-8049-b90e0f909a4d" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_a77e1a4f-8634-4574-ab27-cbfd347e12f7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_e5f83c0d-79cf-4d91-bb9a-5225e02cda31" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c2b5c9a4-636b-4c6a-8049-b90e0f909a4d" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_e5f83c0d-79cf-4d91-bb9a-5225e02cda31" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/EarningsPerShare" xlink:type="simple" xlink:href="bdx-20210331.xsd#EarningsPerShare"/>
<link:definitionLink xlink:role="http://www.bd.com/role/EarningsPerShare" xlink:type="extended" id="i5dbe011093c84dbab62f146e89bbb3fc_EarningsPerShare"/>
<link:roleRef roleURI="http://www.bd.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#EarningsPerShareTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/EarningsPerShareTables" xlink:type="extended" id="ie762ffd766fd435e8cb5c4a835e2abbf_EarningsPerShareTables"/>
<link:roleRef roleURI="http://www.bd.com/role/EarningsPerShareWeightedAverageCommonSharesUsedinComputationsofBasicandDilutedEarningsperShareDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#EarningsPerShareWeightedAverageCommonSharesUsedinComputationsofBasicandDilutedEarningsperShareDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/EarningsPerShareWeightedAverageCommonSharesUsedinComputationsofBasicandDilutedEarningsperShareDetail" xlink:type="extended" id="ia35a5c0851bb43959b838681fbda1f50_EarningsPerShareWeightedAverageCommonSharesUsedinComputationsofBasicandDilutedEarningsperShareDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d76180ec-89a7-4444-a477-2078afcf0939" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_325b3071-b1c6-4e79-affe-af18f62a5265" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d76180ec-89a7-4444-a477-2078afcf0939" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_325b3071-b1c6-4e79-affe-af18f62a5265" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4357d6a7-cd80-416f-8025-ed41fafd95e0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d76180ec-89a7-4444-a477-2078afcf0939" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4357d6a7-cd80-416f-8025-ed41fafd95e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_6077ba2c-d177-44a5-b86d-08717678d940" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4357d6a7-cd80-416f-8025-ed41fafd95e0" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_6077ba2c-d177-44a5-b86d-08717678d940" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6077ba2c-d177-44a5-b86d-08717678d940_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_6077ba2c-d177-44a5-b86d-08717678d940" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_6077ba2c-d177-44a5-b86d-08717678d940_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d05c7adb-32ef-4ef5-82ec-4a1a49cb38f0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_6077ba2c-d177-44a5-b86d-08717678d940" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d05c7adb-32ef-4ef5-82ec-4a1a49cb38f0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_aab76b48-d70e-42a8-9e0f-b93e6a51f7ad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConvertiblePreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d05c7adb-32ef-4ef5-82ec-4a1a49cb38f0" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_aab76b48-d70e-42a8-9e0f-b93e6a51f7ad" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/Contingencies" xlink:type="simple" xlink:href="bdx-20210331.xsd#Contingencies"/>
<link:definitionLink xlink:role="http://www.bd.com/role/Contingencies" xlink:type="extended" id="i13d12017fdb546bdafeeafe12cd5eb55_Contingencies"/>
<link:roleRef roleURI="http://www.bd.com/role/ContingenciesAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#ContingenciesAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/ContingenciesAdditionalInformationDetail" xlink:type="extended" id="ifc9790e700c14c7192069b6a5cfab9ea_ContingenciesAdditionalInformationDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_22a7c207-02f8-460e-8e51-3ef82f9e035d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_22a7c207-02f8-460e-8e51-3ef82f9e035d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ClaimsLackingSufficientInformation_c3ce5e85-c106-48ba-b67b-8c9eef0f2a0a" xlink:href="bdx-20210331.xsd#bdx_ClaimsLackingSufficientInformation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_bdx_ClaimsLackingSufficientInformation_c3ce5e85-c106-48ba-b67b-8c9eef0f2a0a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_PaymentstoSupplier_74f6ee18-d319-4858-af2a-02634f3b3df9" xlink:href="bdx-20210331.xsd#bdx_PaymentstoSupplier"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_bdx_PaymentstoSupplier_74f6ee18-d319-4858-af2a-02634f3b3df9" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_NumberOfClaimsInSettlementAgreement_acf8f8b2-53fd-4f12-850f-f6b546ed51c6" xlink:href="bdx-20210331.xsd#bdx_NumberOfClaimsInSettlementAgreement"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_bdx_NumberOfClaimsInSettlementAgreement_acf8f8b2-53fd-4f12-850f-f6b546ed51c6" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_1a604721-e084-41be-99d3-53349818372b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyDamagesAwardedValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_1a604721-e084-41be-99d3-53349818372b" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyClaimsSettledNumber_8d176df6-9f56-472e-adae-93fd3240fdde" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyClaimsSettledNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingencyClaimsSettledNumber_8d176df6-9f56-472e-adae-93fd3240fdde" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductLiabilityAccrualPeriodExpense_3054e0cd-f904-493f-95d0-6186490b245a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductLiabilityAccrualPeriodExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_ProductLiabilityAccrualPeriodExpense_3054e0cd-f904-493f-95d0-6186490b245a" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualAtCarryingValue_10fc76ff-1e02-4cda-8f21-5152476151fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyAccrualAtCarryingValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingencyAccrualAtCarryingValue_10fc76ff-1e02-4cda-8f21-5152476151fb" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_QualifiedSettlementFunds_c79324ff-5d8b-4db0-9393-1fe1c41935b0" xlink:href="bdx-20210331.xsd#bdx_QualifiedSettlementFunds"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_bdx_QualifiedSettlementFunds_c79324ff-5d8b-4db0-9393-1fe1c41935b0" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyReceivable_adf82575-9e68-48bc-86eb-d6902c3b71da" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyReceivable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingencyReceivable_adf82575-9e68-48bc-86eb-d6902c3b71da" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_5bd019e8-0c60-46d8-a76e-0eaac5f2fb6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_25459f05-c27c-45bc-9ab4-d474fde6bd48" xlink:to="loc_us-gaap_LossContingenciesTable_5bd019e8-0c60-46d8-a76e-0eaac5f2fb6f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d28f2148-bf5d-46ba-bb8f-90d967317ff2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5bd019e8-0c60-46d8-a76e-0eaac5f2fb6f" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d28f2148-bf5d-46ba-bb8f-90d967317ff2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_d28f2148-bf5d-46ba-bb8f-90d967317ff2_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d28f2148-bf5d-46ba-bb8f-90d967317ff2" xlink:to="loc_us-gaap_LossContingencyNatureDomain_d28f2148-bf5d-46ba-bb8f-90d967317ff2_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_d28f2148-bf5d-46ba-bb8f-90d967317ff2" xlink:to="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_HerniaProductClaimsMember_6d12ec81-ca52-4c1d-be27-47da282aa870" xlink:href="bdx-20210331.xsd#bdx_HerniaProductClaimsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:to="loc_bdx_HerniaProductClaimsMember_6d12ec81-ca52-4c1d-be27-47da282aa870" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_WomensHealthProductClaimsMember_4872806c-afdd-4e2d-aed2-1cd453b62ebe" xlink:href="bdx-20210331.xsd#bdx_WomensHealthProductClaimsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:to="loc_bdx_WomensHealthProductClaimsMember_4872806c-afdd-4e2d-aed2-1cd453b62ebe" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_PunitiveMember_c0ce042e-7ac0-431e-ba5d-a2ec5d1fb9ff" xlink:href="bdx-20210331.xsd#bdx_PunitiveMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:to="loc_bdx_PunitiveMember_c0ce042e-7ac0-431e-ba5d-a2ec5d1fb9ff" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_FilterProductClaimsMember_270d4d00-c373-4d3e-abf5-541405e6360b" xlink:href="bdx-20210331.xsd#bdx_FilterProductClaimsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_44dd1cd5-16ec-45d2-9ae6-01e1873739eb" xlink:to="loc_bdx_FilterProductClaimsMember_270d4d00-c373-4d3e-abf5-541405e6360b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_TypeofDamagesAxis_a72c25ff-13ee-45e0-89b1-b107d0980869" xlink:href="bdx-20210331.xsd#bdx_TypeofDamagesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5bd019e8-0c60-46d8-a76e-0eaac5f2fb6f" xlink:to="loc_bdx_TypeofDamagesAxis_a72c25ff-13ee-45e0-89b1-b107d0980869" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_TypeofDamagesDomain_a72c25ff-13ee-45e0-89b1-b107d0980869_default" xlink:href="bdx-20210331.xsd#bdx_TypeofDamagesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_bdx_TypeofDamagesAxis_a72c25ff-13ee-45e0-89b1-b107d0980869" xlink:to="loc_bdx_TypeofDamagesDomain_a72c25ff-13ee-45e0-89b1-b107d0980869_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_TypeofDamagesDomain_33fd1274-f637-4e9c-a606-9378dee7ab2c" xlink:href="bdx-20210331.xsd#bdx_TypeofDamagesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_bdx_TypeofDamagesAxis_a72c25ff-13ee-45e0-89b1-b107d0980869" xlink:to="loc_bdx_TypeofDamagesDomain_33fd1274-f637-4e9c-a606-9378dee7ab2c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_CompensatoryMember_e42d1898-648f-4555-966f-24d4a6a902c3" xlink:href="bdx-20210331.xsd#bdx_CompensatoryMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_TypeofDamagesDomain_33fd1274-f637-4e9c-a606-9378dee7ab2c" xlink:to="loc_bdx_CompensatoryMember_e42d1898-648f-4555-966f-24d4a6a902c3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_PunitiveMember_1292408a-3370-44d1-b888-65b577bd65bc" xlink:href="bdx-20210331.xsd#bdx_PunitiveMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_TypeofDamagesDomain_33fd1274-f637-4e9c-a606-9378dee7ab2c" xlink:to="loc_bdx_PunitiveMember_1292408a-3370-44d1-b888-65b577bd65bc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_22466305-4f60-4c57-bcd0-77e50bb7208f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5bd019e8-0c60-46d8-a76e-0eaac5f2fb6f" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_22466305-4f60-4c57-bcd0-77e50bb7208f" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_22466305-4f60-4c57-bcd0-77e50bb7208f_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_22466305-4f60-4c57-bcd0-77e50bb7208f" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_22466305-4f60-4c57-bcd0-77e50bb7208f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_facd417d-1188-49e8-b6e5-f87989d19e34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_22466305-4f60-4c57-bcd0-77e50bb7208f" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_facd417d-1188-49e8-b6e5-f87989d19e34" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseMember_1e97e990-a9b9-425e-b5aa-9d8adbe92806" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_facd417d-1188-49e8-b6e5-f87989d19e34" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseMember_1e97e990-a9b9-425e-b5aa-9d8adbe92806" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/Revenues" xlink:type="simple" xlink:href="bdx-20210331.xsd#Revenues"/>
<link:definitionLink xlink:role="http://www.bd.com/role/Revenues" xlink:type="extended" id="i23e801d5810e415da09727698d3229f6_Revenues"/>
<link:roleRef roleURI="http://www.bd.com/role/RevenuesAdditionalInformationDetails" xlink:type="simple" xlink:href="bdx-20210331.xsd#RevenuesAdditionalInformationDetails"/>
<link:definitionLink xlink:role="http://www.bd.com/role/RevenuesAdditionalInformationDetails" xlink:type="extended" id="i965840ec0f0043c585b30b89abe8d94a_RevenuesAdditionalInformationDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_788498ca-d085-44cb-98fc-3f4ec1047719" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_788498ca-d085-44cb-98fc-3f4ec1047719" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7a41a9ed-db52-4615-b0d7-c3869cfe10fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7a41a9ed-db52-4615-b0d7-c3869cfe10fb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_5f7fcf69-8b60-45a9-8377-0fa57b47cf3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_5f7fcf69-8b60-45a9-8377-0fa57b47cf3c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:to="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1925ba20-b9fc-4c12-a43d-ba84a669f99f_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:to="loc_srt_ProductsAndServicesDomain_1925ba20-b9fc-4c12-a43d-ba84a669f99f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:to="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ProductsandorServicesMember_ea27da78-3597-4c04-b039-5abd0bf750f9" xlink:href="bdx-20210331.xsd#bdx_ProductsandorServicesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:to="loc_bdx_ProductsandorServicesMember_ea27da78-3597-4c04-b039-5abd0bf750f9" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ConsumablesMember_9eb5ae96-2d9f-4ef8-ac36-feab875dcead" xlink:href="bdx-20210331.xsd#bdx_ConsumablesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:to="loc_bdx_ConsumablesMember_9eb5ae96-2d9f-4ef8-ac36-feab875dcead" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/RevenuesAdditionalInformationDetails_1" xlink:type="simple" xlink:href="bdx-20210331.xsd#RevenuesAdditionalInformationDetails_1"/>
<link:definitionLink xlink:role="http://www.bd.com/role/RevenuesAdditionalInformationDetails_1" xlink:type="extended" id="i7b31c04d0bc24f25bc222ca8aec35e3c_RevenuesAdditionalInformationDetails_1">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_788498ca-d085-44cb-98fc-3f4ec1047719" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_788498ca-d085-44cb-98fc-3f4ec1047719" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7a41a9ed-db52-4615-b0d7-c3869cfe10fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7a41a9ed-db52-4615-b0d7-c3869cfe10fb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ea072dd-8cff-4bd7-8e95-25dd2a026d99" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_c6576704-5bf6-428c-8f8b-6f8eaafb1836" xlink:to="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1925ba20-b9fc-4c12-a43d-ba84a669f99f_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:to="loc_srt_ProductsAndServicesDomain_1925ba20-b9fc-4c12-a43d-ba84a669f99f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1925ba20-b9fc-4c12-a43d-ba84a669f99f" xlink:to="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ProductsandorServicesMember_ea27da78-3597-4c04-b039-5abd0bf750f9" xlink:href="bdx-20210331.xsd#bdx_ProductsandorServicesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:to="loc_bdx_ProductsandorServicesMember_ea27da78-3597-4c04-b039-5abd0bf750f9" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ConsumablesMember_9eb5ae96-2d9f-4ef8-ac36-feab875dcead" xlink:href="bdx-20210331.xsd#bdx_ConsumablesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_14e2b5f4-778e-43b5-963d-cc4e3002ad5d" xlink:to="loc_bdx_ConsumablesMember_9eb5ae96-2d9f-4ef8-ac36-feab875dcead" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/SegmentData" xlink:type="simple" xlink:href="bdx-20210331.xsd#SegmentData"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SegmentData" xlink:type="extended" id="i62152f7512714f57a69d3086ca2ac761_SegmentData"/>
<link:roleRef roleURI="http://www.bd.com/role/SegmentDataTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#SegmentDataTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SegmentDataTables" xlink:type="extended" id="idcbb07a062de4e34a10d365d1ad84958_SegmentDataTables"/>
<link:roleRef roleURI="http://www.bd.com/role/SegmentDataAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#SegmentDataAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SegmentDataAdditionalInformationDetail" xlink:type="extended" id="if93d0a22640b48bea4a80563797323ea_SegmentDataAdditionalInformationDetail"/>
<link:roleRef roleURI="http://www.bd.com/role/SegmentDataRevenuesbyGeographicAreasDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#SegmentDataRevenuesbyGeographicAreasDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SegmentDataRevenuesbyGeographicAreasDetail" xlink:type="extended" id="i152a100f39de430d9ca25f9fac0df687_SegmentDataRevenuesbyGeographicAreasDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3e183a7e-9733-4f28-bc8b-03942b101546" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_9a8ce8a5-c714-4287-9395-fe96b6963e97" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Revenues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3e183a7e-9733-4f28-bc8b-03942b101546" xlink:to="loc_us-gaap_Revenues_9a8ce8a5-c714-4287-9395-fe96b6963e97" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3e183a7e-9733-4f28-bc8b-03942b101546" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_OrganizationalUnitAxis_83b068b5-9d9f-49af-912d-6d95aafab829" xlink:href="bdx-20210331.xsd#bdx_OrganizationalUnitAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:to="loc_bdx_OrganizationalUnitAxis_83b068b5-9d9f-49af-912d-6d95aafab829" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_OrganizationalUnitDomain_83b068b5-9d9f-49af-912d-6d95aafab829_default" xlink:href="bdx-20210331.xsd#bdx_OrganizationalUnitDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_bdx_OrganizationalUnitAxis_83b068b5-9d9f-49af-912d-6d95aafab829" xlink:to="loc_bdx_OrganizationalUnitDomain_83b068b5-9d9f-49af-912d-6d95aafab829_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:href="bdx-20210331.xsd#bdx_OrganizationalUnitDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_bdx_OrganizationalUnitAxis_83b068b5-9d9f-49af-912d-6d95aafab829" xlink:to="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MedicationDeliverySolutionsMember_1762c3db-44f0-4ad7-98a1-c4a4fe231cf0" xlink:href="bdx-20210331.xsd#bdx_MedicationDeliverySolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_MedicationDeliverySolutionsMember_1762c3db-44f0-4ad7-98a1-c4a4fe231cf0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MedicationManagementSolutionsMember_fa1725af-82bf-48ea-9fe2-1a5ce15f3b97" xlink:href="bdx-20210331.xsd#bdx_MedicationManagementSolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_MedicationManagementSolutionsMember_fa1725af-82bf-48ea-9fe2-1a5ce15f3b97" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_DiabetesCareMember_b57f512c-7d40-4613-9d0d-d4e8523c1ac1" xlink:href="bdx-20210331.xsd#bdx_DiabetesCareMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_DiabetesCareMember_b57f512c-7d40-4613-9d0d-d4e8523c1ac1" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_PharmaceuticalSystemsMember_35208caa-6e13-4951-8fb4-679b212775c9" xlink:href="bdx-20210331.xsd#bdx_PharmaceuticalSystemsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_PharmaceuticalSystemsMember_35208caa-6e13-4951-8fb4-679b212775c9" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_IntegratedDiagnosticSolutionsMember_5e06a89b-651a-4aaf-8ad9-5830335b42f9" xlink:href="bdx-20210331.xsd#bdx_IntegratedDiagnosticSolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_IntegratedDiagnosticSolutionsMember_5e06a89b-651a-4aaf-8ad9-5830335b42f9" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_BiosciencesMember_ba022287-c510-4c80-b6b1-d663418aa8e2" xlink:href="bdx-20210331.xsd#bdx_BiosciencesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_BiosciencesMember_ba022287-c510-4c80-b6b1-d663418aa8e2" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_SurgeryMember_441a6ebe-9d3c-49b1-a65a-d451e1d7012e" xlink:href="bdx-20210331.xsd#bdx_SurgeryMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_SurgeryMember_441a6ebe-9d3c-49b1-a65a-d451e1d7012e" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_PeripheralInterventionMember_a92dff9d-4d25-4220-9cc1-23e3f87e3630" xlink:href="bdx-20210331.xsd#bdx_PeripheralInterventionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_PeripheralInterventionMember_a92dff9d-4d25-4220-9cc1-23e3f87e3630" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_UrologyandCriticalCareMember_d3f9e211-4731-4a27-a159-5f38a1a8de11" xlink:href="bdx-20210331.xsd#bdx_UrologyandCriticalCareMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_OrganizationalUnitDomain_60817ba9-bb5f-4701-9b12-0137fca370d1" xlink:to="loc_bdx_UrologyandCriticalCareMember_d3f9e211-4731-4a27-a159-5f38a1a8de11" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_9415f079-2185-4f45-9b45-d80cbed41e2b" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:to="loc_srt_StatementGeographicalAxis_9415f079-2185-4f45-9b45-d80cbed41e2b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9415f079-2185-4f45-9b45-d80cbed41e2b_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9415f079-2185-4f45-9b45-d80cbed41e2b" xlink:to="loc_srt_SegmentGeographicalDomain_9415f079-2185-4f45-9b45-d80cbed41e2b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_7d10ca04-9dd5-47c8-8dcf-3d3c318994f0" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9415f079-2185-4f45-9b45-d80cbed41e2b" xlink:to="loc_srt_SegmentGeographicalDomain_7d10ca04-9dd5-47c8-8dcf-3d3c318994f0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_country_US_2981d8c6-6ee5-4176-8739-a042559ab449" xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_US"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_7d10ca04-9dd5-47c8-8dcf-3d3c318994f0" xlink:to="loc_country_US_2981d8c6-6ee5-4176-8739-a042559ab449" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_8103fcdd-aa0a-4339-81e9-6c8e0b7d7c6b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonUsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_7d10ca04-9dd5-47c8-8dcf-3d3c318994f0" xlink:to="loc_us-gaap_NonUsMember_8103fcdd-aa0a-4339-81e9-6c8e0b7d7c6b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_1157918e-66bc-46c1-afe0-355037066f8c" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:to="loc_srt_ConsolidationItemsAxis_1157918e-66bc-46c1-afe0-355037066f8c" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_1157918e-66bc-46c1-afe0-355037066f8c_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_1157918e-66bc-46c1-afe0-355037066f8c" xlink:to="loc_srt_ConsolidationItemsDomain_1157918e-66bc-46c1-afe0-355037066f8c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_58e4bff9-db00-4a23-9ec2-2f54e0007683" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_1157918e-66bc-46c1-afe0-355037066f8c" xlink:to="loc_srt_ConsolidationItemsDomain_58e4bff9-db00-4a23-9ec2-2f54e0007683" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_6d5274c4-3bb5-42a0-a976-1f4832822601" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_58e4bff9-db00-4a23-9ec2-2f54e0007683" xlink:to="loc_us-gaap_OperatingSegmentsMember_6d5274c4-3bb5-42a0-a976-1f4832822601" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_74889deb-abeb-4588-80ef-996557b74020" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e3603e53-5d4d-490d-96c2-9d508293a83e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_74889deb-abeb-4588-80ef-996557b74020" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_74889deb-abeb-4588-80ef-996557b74020_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_74889deb-abeb-4588-80ef-996557b74020" xlink:to="loc_us-gaap_SegmentDomain_74889deb-abeb-4588-80ef-996557b74020_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_3a6a59f3-1fb7-443e-aa63-da5872356a0e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_74889deb-abeb-4588-80ef-996557b74020" xlink:to="loc_us-gaap_SegmentDomain_3a6a59f3-1fb7-443e-aa63-da5872356a0e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MedicalMember_e513b6eb-146a-4828-9e96-44cc7f8b44af" xlink:href="bdx-20210331.xsd#bdx_MedicalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3a6a59f3-1fb7-443e-aa63-da5872356a0e" xlink:to="loc_bdx_MedicalMember_e513b6eb-146a-4828-9e96-44cc7f8b44af" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_LifeSciencesMember_973d4d36-d252-4a85-a584-6b34fc5d0eeb" xlink:href="bdx-20210331.xsd#bdx_LifeSciencesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3a6a59f3-1fb7-443e-aa63-da5872356a0e" xlink:to="loc_bdx_LifeSciencesMember_973d4d36-d252-4a85-a584-6b34fc5d0eeb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_InterventionalMember_b4abb720-2266-41de-b348-50fa4152369f" xlink:href="bdx-20210331.xsd#bdx_InterventionalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3a6a59f3-1fb7-443e-aa63-da5872356a0e" xlink:to="loc_bdx_InterventionalMember_b4abb720-2266-41de-b348-50fa4152369f" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/SegmentDataFinancialInformationforCompanysSegmentsDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#SegmentDataFinancialInformationforCompanysSegmentsDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SegmentDataFinancialInformationforCompanysSegmentsDetail" xlink:type="extended" id="i12a541c6143b44cf9b2d7c45628a766b_SegmentDataFinancialInformationforCompanysSegmentsDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_984c95fd-04a2-4a5b-aa4b-a7b7b550a213" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_984c95fd-04a2-4a5b-aa4b-a7b7b550a213" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_AcquisitionRelatedCostsAndRestructuringCharges_40165d54-eb17-4e1a-a3f4-bdda1ffcebba" xlink:href="bdx-20210331.xsd#bdx_AcquisitionRelatedCostsAndRestructuringCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_bdx_AcquisitionRelatedCostsAndRestructuringCharges_40165d54-eb17-4e1a-a3f4-bdda1ffcebba" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_ebaf2947-1f23-4302-bf27-343d68101beb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_ebaf2947-1f23-4302-bf27-343d68101beb" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_7a6243d6-26d3-4a98-a9d2-b6bb1468b10a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestIncomeExpenseNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_7a6243d6-26d3-4a98-a9d2-b6bb1468b10a" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRecallExpense_28054bf6-acd7-4bd7-b315-549f11609379" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryRecallExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_InventoryRecallExpense_28054bf6-acd7-4bd7-b315-549f11609379" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_078a4475-dafa-4094-b090-31978b9d57f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_078a4475-dafa-4094-b090-31978b9d57f4" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_eebd11a9-c434-4616-823b-b559bd079f46" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_596500b1-8901-487f-9cb5-edf5ebb11492" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_eebd11a9-c434-4616-823b-b559bd079f46" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_4c4e1c13-8120-4bb2-b44e-3edf9536ab80" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_eebd11a9-c434-4616-823b-b559bd079f46" xlink:to="loc_srt_ConsolidationItemsAxis_4c4e1c13-8120-4bb2-b44e-3edf9536ab80" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_4c4e1c13-8120-4bb2-b44e-3edf9536ab80_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_4c4e1c13-8120-4bb2-b44e-3edf9536ab80" xlink:to="loc_srt_ConsolidationItemsDomain_4c4e1c13-8120-4bb2-b44e-3edf9536ab80_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_21946ed7-9c98-4e58-ac38-c5ff14270804" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_4c4e1c13-8120-4bb2-b44e-3edf9536ab80" xlink:to="loc_srt_ConsolidationItemsDomain_21946ed7-9c98-4e58-ac38-c5ff14270804" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_0246ed12-0c33-4d83-a5ca-8f754a46a1b6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_21946ed7-9c98-4e58-ac38-c5ff14270804" xlink:to="loc_us-gaap_OperatingSegmentsMember_0246ed12-0c33-4d83-a5ca-8f754a46a1b6" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_ed13d5d2-c575-4dba-a38a-cbdcef9108eb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MaterialReconcilingItemsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_21946ed7-9c98-4e58-ac38-c5ff14270804" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_ed13d5d2-c575-4dba-a38a-cbdcef9108eb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_5d5ca75b-3077-4ea1-82eb-18cb93f8f271" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_21946ed7-9c98-4e58-ac38-c5ff14270804" xlink:to="loc_us-gaap_CorporateNonSegmentMember_5d5ca75b-3077-4ea1-82eb-18cb93f8f271" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_a0297526-31cb-4967-bc0c-c51f1449d104" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_eebd11a9-c434-4616-823b-b559bd079f46" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_a0297526-31cb-4967-bc0c-c51f1449d104" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_a0297526-31cb-4967-bc0c-c51f1449d104_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_a0297526-31cb-4967-bc0c-c51f1449d104" xlink:to="loc_us-gaap_SegmentDomain_a0297526-31cb-4967-bc0c-c51f1449d104_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_0ad7d38e-e9f8-4219-9a51-cf73c3ef6122" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_a0297526-31cb-4967-bc0c-c51f1449d104" xlink:to="loc_us-gaap_SegmentDomain_0ad7d38e-e9f8-4219-9a51-cf73c3ef6122" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MedicalMember_99dffef2-2ace-4beb-97a7-89a05a1bc5b4" xlink:href="bdx-20210331.xsd#bdx_MedicalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0ad7d38e-e9f8-4219-9a51-cf73c3ef6122" xlink:to="loc_bdx_MedicalMember_99dffef2-2ace-4beb-97a7-89a05a1bc5b4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_LifeSciencesMember_31b13833-caf9-4c7b-8115-2eb29e3ea346" xlink:href="bdx-20210331.xsd#bdx_LifeSciencesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0ad7d38e-e9f8-4219-9a51-cf73c3ef6122" xlink:to="loc_bdx_LifeSciencesMember_31b13833-caf9-4c7b-8115-2eb29e3ea346" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_InterventionalMember_472cb2e4-475b-4479-b87b-3b6fe07978ae" xlink:href="bdx-20210331.xsd#bdx_InterventionalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0ad7d38e-e9f8-4219-9a51-cf73c3ef6122" xlink:to="loc_bdx_InterventionalMember_472cb2e4-475b-4479-b87b-3b6fe07978ae" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/BenefitPlans" xlink:type="simple" xlink:href="bdx-20210331.xsd#BenefitPlans"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BenefitPlans" xlink:type="extended" id="i3ddc4059b0f946afaf1035aec0cdb6b6_BenefitPlans"/>
<link:roleRef roleURI="http://www.bd.com/role/BenefitPlansTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#BenefitPlansTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BenefitPlansTables" xlink:type="extended" id="i55fb6469ddc84bb1b813f43f23826ce1_BenefitPlansTables"/>
<link:roleRef roleURI="http://www.bd.com/role/BenefitPlansNetPensionandPostretirementCostDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#BenefitPlansNetPensionandPostretirementCostDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BenefitPlansNetPensionandPostretirementCostDetail" xlink:type="extended" id="ifa767b5aa4e948ba922a1ee2c470d720_BenefitPlansNetPensionandPostretirementCostDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_d7f4b08c-1ab9-4f2d-9455-66287b3ec965" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_d7f4b08c-1ab9-4f2d-9455-66287b3ec965" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_3cf18f1b-804e-44ca-95d6-a5cba5c997a0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_3cf18f1b-804e-44ca-95d6-a5cba5c997a0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_235b8237-ee4a-4892-855c-538472540553" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_235b8237-ee4a-4892-855c-538472540553" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_506016e7-b1d8-454e-9355-528d29a5e31c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_506016e7-b1d8-454e-9355-528d29a5e31c" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_5beac5b9-e70c-4be5-91ba-24b09f9882e4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_5beac5b9-e70c-4be5-91ba-24b09f9882e4" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8573d1b7-1769-4561-a998-b8d277b03de4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8573d1b7-1769-4561-a998-b8d277b03de4" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8c96d7ae-f2fb-448e-9779-f08851c69984" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_a4048653-e2de-49e6-8979-97420f823606" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8c96d7ae-f2fb-448e-9779-f08851c69984" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_d62198e6-1d6b-4d10-a4db-3a8446f4a908" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetirementPlanTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8c96d7ae-f2fb-448e-9779-f08851c69984" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_d62198e6-1d6b-4d10-a4db-3a8446f4a908" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_d62198e6-1d6b-4d10-a4db-3a8446f4a908_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_d62198e6-1d6b-4d10-a4db-3a8446f4a908" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_d62198e6-1d6b-4d10-a4db-3a8446f4a908_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_b46f09f4-3173-4389-91c8-e5c0912152c9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_d62198e6-1d6b-4d10-a4db-3a8446f4a908" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_b46f09f4-3173-4389-91c8-e5c0912152c9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_414abe33-6082-4a87-98f5-62d47ae88f34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_b46f09f4-3173-4389-91c8-e5c0912152c9" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_414abe33-6082-4a87-98f5-62d47ae88f34" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/BusinessRestructuringCharges" xlink:type="simple" xlink:href="bdx-20210331.xsd#BusinessRestructuringCharges"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BusinessRestructuringCharges" xlink:type="extended" id="i7f5382e5445b4eaa8035cd2dcedbd297_BusinessRestructuringCharges"/>
<link:roleRef roleURI="http://www.bd.com/role/BusinessRestructuringChargesTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#BusinessRestructuringChargesTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BusinessRestructuringChargesTables" xlink:type="extended" id="i87aee29a597a49dca50aef8a2638554e_BusinessRestructuringChargesTables"/>
<link:roleRef roleURI="http://www.bd.com/role/BusinessRestructuringChargesSummaryofRestructuringAccrualActivityDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#BusinessRestructuringChargesSummaryofRestructuringAccrualActivityDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/BusinessRestructuringChargesSummaryofRestructuringAccrualActivityDetail" xlink:type="extended" id="ia6cbd2675b8e4e7788a2666fbc48c534_BusinessRestructuringChargesSummaryofRestructuringAccrualActivityDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_5dd99d6d-0b2d-4832-9ecc-08fad3527161" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserveRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_5dd99d6d-0b2d-4832-9ecc-08fad3527161" xlink:to="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_b6b3de72-a649-4faf-a830-01670de7d09c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserve"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:to="loc_us-gaap_RestructuringReserve_b6b3de72-a649-4faf-a830-01670de7d09c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_1dff2c36-d3db-496b-b771-ddd6b425a6cc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:to="loc_us-gaap_RestructuringCharges_1dff2c36-d3db-496b-b771-ddd6b425a6cc" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_44832425-6d04-4d0c-aeb3-6ca18156a0eb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsForRestructuring"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:to="loc_us-gaap_PaymentsForRestructuring_44832425-6d04-4d0c-aeb3-6ca18156a0eb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveSettledWithoutCash2_ce55735a-7035-4035-8f15-76f68d7df3a9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserveSettledWithoutCash2"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:to="loc_us-gaap_RestructuringReserveSettledWithoutCash2_ce55735a-7035-4035-8f15-76f68d7df3a9" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveAccrualAdjustment1_08808a91-1e69-429a-876f-503f3118ea6e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserveAccrualAdjustment1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_ee7b8b75-23fc-440a-ac13-9688a9e61d8c" xlink:to="loc_us-gaap_RestructuringReserveAccrualAdjustment1_08808a91-1e69-429a-876f-503f3118ea6e" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_95bb229d-7c24-4298-aaf6-29706b3095d6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserve"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_fb902a70-bd0e-4b78-bb1b-763f96e0114d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_5dd99d6d-0b2d-4832-9ecc-08fad3527161" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_fb902a70-bd0e-4b78-bb1b-763f96e0114d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_7647480a-b7a4-47ce-aec2-264567edf638" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringPlanAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_fb902a70-bd0e-4b78-bb1b-763f96e0114d" xlink:to="loc_us-gaap_RestructuringPlanAxis_7647480a-b7a4-47ce-aec2-264567edf638" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_7647480a-b7a4-47ce-aec2-264567edf638_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringPlanDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_7647480a-b7a4-47ce-aec2-264567edf638" xlink:to="loc_us-gaap_RestructuringPlanDomain_7647480a-b7a4-47ce-aec2-264567edf638_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_e50c4460-0723-4110-a2fc-6abcfa7399fe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringPlanDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_7647480a-b7a4-47ce-aec2-264567edf638" xlink:to="loc_us-gaap_RestructuringPlanDomain_e50c4460-0723-4110-a2fc-6abcfa7399fe" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_CRBardIncMember_dc758414-178c-4efe-9c99-543249748578" xlink:href="bdx-20210331.xsd#bdx_CRBardIncMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_e50c4460-0723-4110-a2fc-6abcfa7399fe" xlink:to="loc_bdx_CRBardIncMember_dc758414-178c-4efe-9c99-543249748578" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_OtherInitiativesMember_4d1b11ed-aab4-4ac0-a1b7-84761a9080cc" xlink:href="bdx-20210331.xsd#bdx_OtherInitiativesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_e50c4460-0723-4110-a2fc-6abcfa7399fe" xlink:to="loc_bdx_OtherInitiativesMember_4d1b11ed-aab4-4ac0-a1b7-84761a9080cc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_d8ef6589-30e0-4255-914b-61cb01285f4b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_fb902a70-bd0e-4b78-bb1b-763f96e0114d" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_d8ef6589-30e0-4255-914b-61cb01285f4b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_d8ef6589-30e0-4255-914b-61cb01285f4b_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_d8ef6589-30e0-4255-914b-61cb01285f4b" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_d8ef6589-30e0-4255-914b-61cb01285f4b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_a1c29a8d-cf94-40d8-be53-368e8d611919" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_d8ef6589-30e0-4255-914b-61cb01285f4b" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_a1c29a8d-cf94-40d8-be53-368e8d611919" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_cdfcd3b9-f98a-4ccc-b48e-6952d0d551d6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeSeveranceMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_a1c29a8d-cf94-40d8-be53-368e8d611919" xlink:to="loc_us-gaap_EmployeeSeveranceMember_cdfcd3b9-f98a-4ccc-b48e-6952d0d551d6" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_9a270b91-e4d9-47be-8624-b95fa9c4382b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherRestructuringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_a1c29a8d-cf94-40d8-be53-368e8d611919" xlink:to="loc_us-gaap_OtherRestructuringMember_9a270b91-e4d9-47be-8624-b95fa9c4382b" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/IntangibleAssets" xlink:type="simple" xlink:href="bdx-20210331.xsd#IntangibleAssets"/>
<link:definitionLink xlink:role="http://www.bd.com/role/IntangibleAssets" xlink:type="extended" id="ia47a8b93789b4e7595bbe840647002b5_IntangibleAssets"/>
<link:roleRef roleURI="http://www.bd.com/role/IntangibleAssetsTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#IntangibleAssetsTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/IntangibleAssetsTables" xlink:type="extended" id="i52170f779d9242d093b09decf6147404_IntangibleAssetsTables"/>
<link:roleRef roleURI="http://www.bd.com/role/IntangibleAssetsComponentsofIntangibleAssetsDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#IntangibleAssetsComponentsofIntangibleAssetsDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/IntangibleAssetsComponentsofIntangibleAssetsDetail" xlink:type="extended" id="ia97e693f41f84de1b50b3a0d6a48e521_IntangibleAssetsComponentsofIntangibleAssetsDetail">
<link:loc xlink:type="locator" xlink:label="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_59ef5587-f844-424f-ad73-3e2a7b8c5a8f" xlink:href="bdx-20210331.xsd#bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fd3924e9-709b-4fdc-9a2c-a7f025722161" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_59ef5587-f844-424f-ad73-3e2a7b8c5a8f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fd3924e9-709b-4fdc-9a2c-a7f025722161" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_1f345384-e929-4297-a559-1b787e3f3ec4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_59ef5587-f844-424f-ad73-3e2a7b8c5a8f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_1f345384-e929-4297-a559-1b787e3f3ec4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_b7e2a1b1-f160-4640-9a5d-aebb4e0c99e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_59ef5587-f844-424f-ad73-3e2a7b8c5a8f" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_b7e2a1b1-f160-4640-9a5d-aebb4e0c99e7" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsTable_a7b7eb57-80c6-4872-a4db-a9c3de61add9" xlink:href="bdx-20210331.xsd#bdx_FiniteAndIndefiniteLivedIntangibleAssetsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_59ef5587-f844-424f-ad73-3e2a7b8c5a8f" xlink:to="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsTable_a7b7eb57-80c6-4872-a4db-a9c3de61add9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9ec74f17-9093-4430-8126-8312b742e51b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsTable_a7b7eb57-80c6-4872-a4db-a9c3de61add9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9ec74f17-9093-4430-8126-8312b742e51b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9ec74f17-9093-4430-8126-8312b742e51b_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9ec74f17-9093-4430-8126-8312b742e51b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9ec74f17-9093-4430-8126-8312b742e51b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9ec74f17-9093-4430-8126-8312b742e51b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_875113d9-7981-481f-9913-e80dad67cd60" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_875113d9-7981-481f-9913-e80dad67cd60" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_5f6d4f22-89ad-4e24-a3ab-6ac961f8d166" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:to="loc_us-gaap_CustomerRelationshipsMember_5f6d4f22-89ad-4e24-a3ab-6ac961f8d166" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ProductRightsMember_e2f5b18c-832f-4538-8c48-fd4396c8188d" xlink:href="bdx-20210331.xsd#bdx_ProductRightsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:to="loc_bdx_ProductRightsMember_e2f5b18c-832f-4538-8c48-fd4396c8188d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_98101b74-9e5f-4def-ba27-0525876be15c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:to="loc_us-gaap_TrademarksMember_98101b74-9e5f-4def-ba27-0525876be15c" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntellectualPropertyMember_37d7c0b8-e2f0-4db6-98bc-45fa624331f2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntellectualPropertyMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_032141a7-2392-437d-ad40-451b2975222a" xlink:to="loc_us-gaap_IntellectualPropertyMember_37d7c0b8-e2f0-4db6-98bc-45fa624331f2" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_bdx_FiniteAndIndefiniteLivedIntangibleAssetsTable_a7b7eb57-80c6-4872-a4db-a9c3de61add9" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_eff194df-6aad-48f9-b9de-391abdd11d22" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_bab247f6-b3ef-4f61-bc3d-41647e5e7b3c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_eff194df-6aad-48f9-b9de-391abdd11d22" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_62149b95-bae5-4dcd-b9ba-33a21577047f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_eff194df-6aad-48f9-b9de-391abdd11d22" xlink:to="loc_us-gaap_TrademarksMember_62149b95-bae5-4dcd-b9ba-33a21577047f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember_e9e3d4f4-f282-4f9b-89cf-f165ba8f649a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_eff194df-6aad-48f9-b9de-391abdd11d22" xlink:to="loc_us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember_e9e3d4f4-f282-4f9b-89cf-f165ba8f649a" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/IntangibleAssetsAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#IntangibleAssetsAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/IntangibleAssetsAdditionalInformationDetail" xlink:type="extended" id="id32bd33e54eb48eb98e1927954f38aee_IntangibleAssetsAdditionalInformationDetail"/>
<link:roleRef roleURI="http://www.bd.com/role/IntangibleAssetsReconciliationofGoodwillbyBusinessSegmentDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#IntangibleAssetsReconciliationofGoodwillbyBusinessSegmentDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/IntangibleAssetsReconciliationofGoodwillbyBusinessSegmentDetail" xlink:type="extended" id="ibba2487fa9c44d70a5aece55f70140ae_IntangibleAssetsReconciliationofGoodwillbyBusinessSegmentDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_8182ad73-251c-482a-b2cd-d0f9c953662f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_8182ad73-251c-482a-b2cd-d0f9c953662f" xlink:to="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_6b6183e1-701e-4fa3-b325-8a8aacc8e2bd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:to="loc_us-gaap_Goodwill_6b6183e1-701e-4fa3-b325-8a8aacc8e2bd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_5a1c54aa-ee34-4bb7-9698-5edd1105261f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_5a1c54aa-ee34-4bb7-9698-5edd1105261f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_a4a432ee-221e-4e29-927b-1d3ec2a0231d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_a4a432ee-221e-4e29-927b-1d3ec2a0231d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_5a519122-f59f-46c6-96a7-5fe88eb23244" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_bc776330-f3df-4463-b0d7-65446d7727e4" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_5a519122-f59f-46c6-96a7-5fe88eb23244" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_76c88d05-8d74-456a-826c-ab3892407e2b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_a3d4a676-c02b-40b5-abbb-63e82647e622" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_8182ad73-251c-482a-b2cd-d0f9c953662f" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_a3d4a676-c02b-40b5-abbb-63e82647e622" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_b6c8725c-0160-44ff-9384-ee0cfd70bfbc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_a3d4a676-c02b-40b5-abbb-63e82647e622" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_b6c8725c-0160-44ff-9384-ee0cfd70bfbc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_b6c8725c-0160-44ff-9384-ee0cfd70bfbc_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b6c8725c-0160-44ff-9384-ee0cfd70bfbc" xlink:to="loc_us-gaap_SegmentDomain_b6c8725c-0160-44ff-9384-ee0cfd70bfbc_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_98c6ae30-887a-4423-b7cc-0a251e4bac81" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b6c8725c-0160-44ff-9384-ee0cfd70bfbc" xlink:to="loc_us-gaap_SegmentDomain_98c6ae30-887a-4423-b7cc-0a251e4bac81" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MedicalMember_9951584b-a110-4ecd-a9f2-85edfed7a38f" xlink:href="bdx-20210331.xsd#bdx_MedicalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_98c6ae30-887a-4423-b7cc-0a251e4bac81" xlink:to="loc_bdx_MedicalMember_9951584b-a110-4ecd-a9f2-85edfed7a38f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_LifeSciencesMember_fe52a0e4-3fa6-44d8-9b7c-6edaf2cf966c" xlink:href="bdx-20210331.xsd#bdx_LifeSciencesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_98c6ae30-887a-4423-b7cc-0a251e4bac81" xlink:to="loc_bdx_LifeSciencesMember_fe52a0e4-3fa6-44d8-9b7c-6edaf2cf966c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_InterventionalMember_7bd07b74-5c66-41db-b75d-1c823b728239" xlink:href="bdx-20210331.xsd#bdx_InterventionalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_98c6ae30-887a-4423-b7cc-0a251e4bac81" xlink:to="loc_bdx_InterventionalMember_7bd07b74-5c66-41db-b75d-1c823b728239" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivities" xlink:type="simple" xlink:href="bdx-20210331.xsd#DerivativeInstrumentsandHedgingActivities"/>
<link:definitionLink xlink:role="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivities" xlink:type="extended" id="iccf78e9e8a514c459f7eca072518dd6e_DerivativeInstrumentsandHedgingActivities"/>
<link:roleRef roleURI="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#DerivativeInstrumentsandHedgingActivitiesTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesTables" xlink:type="extended" id="i84fb5f6093c04ea1b17bad0e440ee076_DerivativeInstrumentsandHedgingActivitiesTables"/>
<link:roleRef roleURI="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#DerivativeInstrumentsandHedgingActivitiesAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesAdditionalInformationDetail" xlink:type="extended" id="ie65262430f7a4aa5b7e9b0e171594704_DerivativeInstrumentsandHedgingActivitiesAdditionalInformationDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_286a5008-4be4-4a01-97d7-02af9a54a952" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:to="loc_us-gaap_DerivativeNotionalAmount_286a5008-4be4-4a01-97d7-02af9a54a952" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_d5d275cb-ac71-4965-80c1-da21e58d2948" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_d5d275cb-ac71-4965-80c1-da21e58d2948" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_5c3d339b-18da-41c6-ba10-b32e770ed69d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_5c3d339b-18da-41c6-ba10-b32e770ed69d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_DerivativeNotionalAmountTerminated_0b0182aa-645c-406e-8bf8-822a38e453d3" xlink:href="bdx-20210331.xsd#bdx_DerivativeNotionalAmountTerminated"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:to="loc_bdx_DerivativeNotionalAmountTerminated_0b0182aa-645c-406e-8bf8-822a38e453d3" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_6a9faed7-c117-4a79-bd82-b087c55d4d35" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_c663883e-b607-461e-b588-a6a19a1ca47b" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_6a9faed7-c117-4a79-bd82-b087c55d4d35" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_edefe3b2-c2ac-4abe-82f2-95852a8ff896" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_6a9faed7-c117-4a79-bd82-b087c55d4d35" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_edefe3b2-c2ac-4abe-82f2-95852a8ff896" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_edefe3b2-c2ac-4abe-82f2-95852a8ff896_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_edefe3b2-c2ac-4abe-82f2-95852a8ff896" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_edefe3b2-c2ac-4abe-82f2-95852a8ff896_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_edefe3b2-c2ac-4abe-82f2-95852a8ff896" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_f082204b-4ac0-4bae-8c1e-f0e1e57f4515" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignExchangeContractMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:to="loc_us-gaap_ForeignExchangeContractMember_f082204b-4ac0-4bae-8c1e-f0e1e57f4515" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_79359596-cf29-4614-a740-120ddf60b47a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrencySwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:to="loc_us-gaap_CurrencySwapMember_79359596-cf29-4614-a740-120ddf60b47a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_FixedToFloatingMember_379f0af8-308a-4c06-b622-0e8ada44e13e" xlink:href="bdx-20210331.xsd#bdx_FixedToFloatingMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:to="loc_bdx_FixedToFloatingMember_379f0af8-308a-4c06-b622-0e8ada44e13e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_f4600cbb-8ffb-4f1a-ac0d-1063b9b59a95" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestRateSwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:to="loc_us-gaap_InterestRateSwapMember_f4600cbb-8ffb-4f1a-ac0d-1063b9b59a95" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_464aaa62-2de4-4c04-9da6-504ecbc3d77c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowHedgingMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3cee7806-0dc2-44a7-8449-7c3f9f8b5403" xlink:to="loc_us-gaap_CashFlowHedgingMember_464aaa62-2de4-4c04-9da6-504ecbc3d77c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_6a9faed7-c117-4a79-bd82-b087c55d4d35" xlink:to="loc_us-gaap_DebtInstrumentAxis_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f575ec4d-748a-4169-a8a6-3cde2fc95d63" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_6dabd3d1-8417-4d3b-bfb3-5754aaec29f4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f575ec4d-748a-4169-a8a6-3cde2fc95d63" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtMember_213e2980-1143-4509-8ce7-f7f6782ccda1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_f575ec4d-748a-4169-a8a6-3cde2fc95d63" xlink:to="loc_us-gaap_DebtMember_213e2980-1143-4509-8ce7-f7f6782ccda1" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_cb593623-f238-4aec-bbea-642e1556e857" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_6a9faed7-c117-4a79-bd82-b087c55d4d35" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_cb593623-f238-4aec-bbea-642e1556e857" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_cb593623-f238-4aec-bbea-642e1556e857_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_HedgingRelationshipDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_cb593623-f238-4aec-bbea-642e1556e857" xlink:to="loc_us-gaap_HedgingRelationshipDomain_cb593623-f238-4aec-bbea-642e1556e857_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_7ecae9f4-6e98-4144-834d-472dfb17b5f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_HedgingRelationshipDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_cb593623-f238-4aec-bbea-642e1556e857" xlink:to="loc_us-gaap_HedgingRelationshipDomain_7ecae9f4-6e98-4144-834d-472dfb17b5f7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_ce923441-948f-4d91-ace4-9bfb455e735b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetInvestmentHedgingMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_7ecae9f4-6e98-4144-834d-472dfb17b5f7" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_ce923441-948f-4d91-ace4-9bfb455e735b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_2427ae5c-0a74-4b3c-87ec-34cb3b3ea120" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueHedgingMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_7ecae9f4-6e98-4144-834d-472dfb17b5f7" xlink:to="loc_us-gaap_FairValueHedgingMember_2427ae5c-0a74-4b3c-87ec-34cb3b3ea120" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_23c8155b-4cba-4c9f-8977-3c54fc9d1159" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowHedgingMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_7ecae9f4-6e98-4144-834d-472dfb17b5f7" xlink:to="loc_us-gaap_CashFlowHedgingMember_23c8155b-4cba-4c9f-8977-3c54fc9d1159" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesDisclosureGainsLossesonNetInvestmentHedgesDetails" xlink:type="simple" xlink:href="bdx-20210331.xsd#DerivativeInstrumentsandHedgingActivitiesDisclosureGainsLossesonNetInvestmentHedgesDetails"/>
<link:definitionLink xlink:role="http://www.bd.com/role/DerivativeInstrumentsandHedgingActivitiesDisclosureGainsLossesonNetInvestmentHedgesDetails" xlink:type="extended" id="i7361ed0f72b24df48743a95bdc20b497_DerivativeInstrumentsandHedgingActivitiesDisclosureGainsLossesonNetInvestmentHedgesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_89af4c98-ad93-47c6-a4e9-14f9c560ba1c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_80e477a7-ec18-41b6-b924-7a30a7a68aa8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_89af4c98-ad93-47c6-a4e9-14f9c560ba1c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_80e477a7-ec18-41b6-b924-7a30a7a68aa8" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_ca3747fc-4b5a-4225-993a-332a82d402bf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_89af4c98-ad93-47c6-a4e9-14f9c560ba1c" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_ca3747fc-4b5a-4225-993a-332a82d402bf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_521e2f9c-3202-4ddf-aad4-2eb2225bae4a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_ca3747fc-4b5a-4225-993a-332a82d402bf" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_521e2f9c-3202-4ddf-aad4-2eb2225bae4a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_521e2f9c-3202-4ddf-aad4-2eb2225bae4a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_521e2f9c-3202-4ddf-aad4-2eb2225bae4a" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_521e2f9c-3202-4ddf-aad4-2eb2225bae4a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_b2a0285c-483d-46bd-a7de-eba1e8297bde" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_521e2f9c-3202-4ddf-aad4-2eb2225bae4a" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_b2a0285c-483d-46bd-a7de-eba1e8297bde" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_ForeignCurrencyDenominatedDebtMember_5069f25f-584a-431a-94ba-56f18465c712" xlink:href="bdx-20210331.xsd#bdx_ForeignCurrencyDenominatedDebtMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_b2a0285c-483d-46bd-a7de-eba1e8297bde" xlink:to="loc_bdx_ForeignCurrencyDenominatedDebtMember_5069f25f-584a-431a-94ba-56f18465c712" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_fe101f29-0f4d-4d71-8f96-2ac6c682db71" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrencySwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_b2a0285c-483d-46bd-a7de-eba1e8297bde" xlink:to="loc_us-gaap_CurrencySwapMember_fe101f29-0f4d-4d71-8f96-2ac6c682db71" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurements" xlink:type="simple" xlink:href="bdx-20210331.xsd#FinancialInstrumentsandFairValueMeasurements"/>
<link:definitionLink xlink:role="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurements" xlink:type="extended" id="i0d1095b3640d4337b7cbe5255294050c_FinancialInstrumentsandFairValueMeasurements"/>
<link:roleRef roleURI="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsTables" xlink:type="simple" xlink:href="bdx-20210331.xsd#FinancialInstrumentsandFairValueMeasurementsTables"/>
<link:definitionLink xlink:role="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsTables" xlink:type="extended" id="i22d4869e51bd4485b2e76d8396071963_FinancialInstrumentsandFairValueMeasurementsTables"/>
<link:roleRef roleURI="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsCashandEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="bdx-20210331.xsd#FinancialInstrumentsandFairValueMeasurementsCashandEquivalentsandRestrictedCashDetails"/>
<link:definitionLink xlink:role="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsCashandEquivalentsandRestrictedCashDetails" xlink:type="extended" id="i4c85289e8efc4ff7a0e50b9c60955884_FinancialInstrumentsandFairValueMeasurementsCashandEquivalentsandRestrictedCashDetails"/>
<link:roleRef roleURI="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#FinancialInstrumentsandFairValueMeasurementsAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/FinancialInstrumentsandFairValueMeasurementsAdditionalInformationDetail" xlink:type="extended" id="i8c7f2df6b41b4bf09cc8f1ea8e67e345_FinancialInstrumentsandFairValueMeasurementsAdditionalInformationDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_ceef1831-4421-44d2-83cd-24e8e1fc2c2d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_ceef1831-4421-44d2-83cd-24e8e1fc2c2d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_RemainingCashEquivalents_50141483-4a08-49cb-b04e-93d8484b3407" xlink:href="bdx-20210331.xsd#bdx_RemainingCashEquivalents"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_bdx_RemainingCashEquivalents_50141483-4a08-49cb-b04e-93d8484b3407" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_MaturityPeriodOfShortTermInvestment_8bbee799-4c6c-4930-9569-d02e921be5d2" xlink:href="bdx-20210331.xsd#bdx_MaturityPeriodOfShortTermInvestment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_bdx_MaturityPeriodOfShortTermInvestment_8bbee799-4c6c-4930-9569-d02e921be5d2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansPayableFairValueDisclosure_2a3e7572-1745-4901-b187-d6dcb8cf213a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansPayableFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_LoansPayableFairValueDisclosure_2a3e7572-1745-4901-b187-d6dcb8cf213a" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_FairValueOfDebtClassifiedFromLongTermToShortTerm_903a13b2-26fb-4fbd-8d81-6f4f9f1618db" xlink:href="bdx-20210331.xsd#bdx_FairValueOfDebtClassifiedFromLongTermToShortTerm"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_bdx_FairValueOfDebtClassifiedFromLongTermToShortTerm_903a13b2-26fb-4fbd-8d81-6f4f9f1618db" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_ca3c417b-5696-4e91-9887-876f6379d752" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_AssetImpairmentCharges_ca3c417b-5696-4e91-9887-876f6379d752" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ba6114ad-098d-489b-b323-cfc473a3d438" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ba6114ad-098d-489b-b323-cfc473a3d438" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_TransfersOfFinancialAssetsDuringThePeriod_a3be9198-e6df-461a-9954-d9a5d74e2fc4" xlink:href="bdx-20210331.xsd#bdx_TransfersOfFinancialAssetsDuringThePeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_bdx_TransfersOfFinancialAssetsDuringThePeriod_a3be9198-e6df-461a-9954-d9a5d74e2fc4" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_4f6c68a7-0d76-437b-85e9-2bbb8e5c5ddd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_4f6c68a7-0d76-437b-85e9-2bbb8e5c5ddd" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3f3ecb86-b7dc-43a3-964a-817a93230afb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6db06c38-c037-40ad-b30d-3f01e33e539f" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3f3ecb86-b7dc-43a3-964a-817a93230afb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_cf07b05a-809b-4bb6-be5e-1a590edfbebc" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3f3ecb86-b7dc-43a3-964a-817a93230afb" xlink:to="loc_srt_RangeAxis_cf07b05a-809b-4bb6-be5e-1a590edfbebc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_cf07b05a-809b-4bb6-be5e-1a590edfbebc_default" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_cf07b05a-809b-4bb6-be5e-1a590edfbebc" xlink:to="loc_srt_RangeMember_cf07b05a-809b-4bb6-be5e-1a590edfbebc_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_67b47aa4-c453-4e92-bd62-ec0cc20805af" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_cf07b05a-809b-4bb6-be5e-1a590edfbebc" xlink:to="loc_srt_RangeMember_67b47aa4-c453-4e92-bd62-ec0cc20805af" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_99571d1c-9659-4821-a56e-76caa13b2aba" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_67b47aa4-c453-4e92-bd62-ec0cc20805af" xlink:to="loc_srt_MinimumMember_99571d1c-9659-4821-a56e-76caa13b2aba" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_5c1a371f-5702-4850-be09-78e009359f55" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_67b47aa4-c453-4e92-bd62-ec0cc20805af" xlink:to="loc_srt_MaximumMember_5c1a371f-5702-4850-be09-78e009359f55" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_2291f20c-ea80-4704-a184-4ab4157d03de" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3f3ecb86-b7dc-43a3-964a-817a93230afb" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2291f20c-ea80-4704-a184-4ab4157d03de" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2291f20c-ea80-4704-a184-4ab4157d03de_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2291f20c-ea80-4704-a184-4ab4157d03de" xlink:to="loc_us-gaap_SegmentDomain_2291f20c-ea80-4704-a184-4ab4157d03de_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_6aece527-237e-47fd-b7a9-62daa3601041" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2291f20c-ea80-4704-a184-4ab4157d03de" xlink:to="loc_us-gaap_SegmentDomain_6aece527-237e-47fd-b7a9-62daa3601041" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_LifeSciencesMember_d7298f9a-f299-4a9d-a219-2d13d6b241f5" xlink:href="bdx-20210331.xsd#bdx_LifeSciencesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6aece527-237e-47fd-b7a9-62daa3601041" xlink:to="loc_bdx_LifeSciencesMember_d7298f9a-f299-4a9d-a219-2d13d6b241f5" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/Debt" xlink:type="simple" xlink:href="bdx-20210331.xsd#Debt"/>
<link:definitionLink xlink:role="http://www.bd.com/role/Debt" xlink:type="extended" id="ic91c287c9f5146398d6f27d6d7b66fe6_Debt"/>
<link:roleRef roleURI="http://www.bd.com/role/DebtAdditionalInformationDetail" xlink:type="simple" xlink:href="bdx-20210331.xsd#DebtAdditionalInformationDetail"/>
<link:definitionLink xlink:role="http://www.bd.com/role/DebtAdditionalInformationDetail" xlink:type="extended" id="i6a75faf4906443a8a3dfe28920651169_DebtAdditionalInformationDetail">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_3b5d27c4-7bfe-414c-9236-07a3897448c0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_3b5d27c4-7bfe-414c-9236-07a3897448c0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_cc5dab43-7f71-453f-9766-cf813301ccca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_cc5dab43-7f71-453f-9766-cf813301ccca" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_f3d76402-43b9-4aac-935a-1b69533fc40d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_f3d76402-43b9-4aac-935a-1b69533fc40d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_85db7b64-b30e-4ac9-beff-7cb5c7babc0c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_85db7b64-b30e-4ac9-beff-7cb5c7babc0c" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchaseAmount_67bf2d46-64b9-4e02-9926-e8d0b1379779" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRepurchaseAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_DebtInstrumentRepurchaseAmount_67bf2d46-64b9-4e02-9926-e8d0b1379779" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_76260c69-e0ac-4503-be8a-55a3a98ae553" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExtinguishmentOfDebtGainLossNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_76260c69-e0ac-4503-be8a-55a3a98ae553" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b99e8e19-8d43-44b3-a4c8-39de9b9bf9fc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3d57523c-735a-450e-99bd-6833b71d69f2" xlink:to="loc_us-gaap_DebtInstrumentTable_b99e8e19-8d43-44b3-a4c8-39de9b9bf9fc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_53fb8c2b-eca1-4414-84b8-312a19ec811e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b99e8e19-8d43-44b3-a4c8-39de9b9bf9fc" xlink:to="loc_us-gaap_DebtInstrumentAxis_53fb8c2b-eca1-4414-84b8-312a19ec811e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_53fb8c2b-eca1-4414-84b8-312a19ec811e_default" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_53fb8c2b-eca1-4414-84b8-312a19ec811e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_53fb8c2b-eca1-4414-84b8-312a19ec811e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_53fb8c2b-eca1-4414-84b8-312a19ec811e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1957DueFebruary112031Member_bbd8784f-6fa0-4949-85f3-23709b6aa647" xlink:href="bdx-20210331.xsd#bdx_Notes1957DueFebruary112031Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:to="loc_bdx_Notes1957DueFebruary112031Member_bbd8784f-6fa0-4949-85f3-23709b6aa647" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes3125DueNovember82021Member_27382ca8-bb59-4809-998b-b52550179d8d" xlink:href="bdx-20210331.xsd#bdx_Notes3125DueNovember82021Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:to="loc_bdx_Notes3125DueNovember82021Member_27382ca8-bb59-4809-998b-b52550179d8d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes1213DueFebruary122036Member_5d321d05-1a45-4015-83a7-4e72f154f7d3" xlink:href="bdx-20210331.xsd#bdx_Notes1213DueFebruary122036Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:to="loc_bdx_Notes1213DueFebruary122036Member_5d321d05-1a45-4015-83a7-4e72f154f7d3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes0.174dueJune42021Member_c8c27758-fa84-4511-87c8-8e8075202058" xlink:href="bdx-20210331.xsd#bdx_Notes0.174dueJune42021Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:to="loc_bdx_Notes0.174dueJune42021Member_c8c27758-fa84-4511-87c8-8e8075202058" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bdx_Notes2894DueJune62022Member_48536033-feae-4924-b274-386f503fcc0d" xlink:href="bdx-20210331.xsd#bdx_Notes2894DueJune62022Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a0154c85-e5f7-4692-982c-58246d0c65aa" xlink:to="loc_bdx_Notes2894DueJune62022Member_48536033-feae-4924-b274-386f503fcc0d" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis_f1dbd49b-e51e-43f8-8144-80381e5d2ec3" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CurrencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b99e8e19-8d43-44b3-a4c8-39de9b9bf9fc" xlink:to="loc_srt_CurrencyAxis_f1dbd49b-e51e-43f8-8144-80381e5d2ec3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_f1dbd49b-e51e-43f8-8144-80381e5d2ec3_default" xlink:href="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd#currency_AllCurrenciesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CurrencyAxis_f1dbd49b-e51e-43f8-8144-80381e5d2ec3" xlink:to="loc_currency_AllCurrenciesDomain_f1dbd49b-e51e-43f8-8144-80381e5d2ec3_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_5ba4c6e9-54b1-44a6-859f-1fb379ebacac" xlink:href="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd#currency_AllCurrenciesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CurrencyAxis_f1dbd49b-e51e-43f8-8144-80381e5d2ec3" xlink:to="loc_currency_AllCurrenciesDomain_5ba4c6e9-54b1-44a6-859f-1fb379ebacac" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_currency_EUR_f625292e-c5ab-438f-9993-3b7ab8052b25" xlink:href="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd#currency_EUR"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_5ba4c6e9-54b1-44a6-859f-1fb379ebacac" xlink:to="loc_currency_EUR_f625292e-c5ab-438f-9993-3b7ab8052b25" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_currency_USD_1211909c-14ab-4338-9365-e1db1ed0855f" xlink:href="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd#currency_USD"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_5ba4c6e9-54b1-44a6-859f-1fb379ebacac" xlink:to="loc_currency_USD_1211909c-14ab-4338-9365-e1db1ed0855f" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bd.com/role/SubsequentEvents" xlink:type="simple" xlink:href="bdx-20210331.xsd#SubsequentEvents"/>
<link:definitionLink xlink:role="http://www.bd.com/role/SubsequentEvents" xlink:type="extended" id="i88642edc4cd54fae9de2bd52cb6e8934_SubsequentEvents"/>
</link:linkbase>

17 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/07/24  Becton, Dickinson & Co.           424B2                  2:857K                                   Broadridge Fin’l So… Inc
 2/07/24  Becton, Dickinson & Co.           424B2                  2:892K                                   Broadridge Fin’l So… Inc
 2/05/24  Becton, Dickinson & Co.           424B2                  1:804K                                   Broadridge Fin’l So… Inc
 2/05/24  Becton, Dickinson & Co.           424B2                  1:853K                                   Broadridge Fin’l So… Inc
 2/08/23  Becton, Dickinson & Co.           424B2                  2:1M                                     Broadridge Fin’l So… Inc
 2/08/23  Becton, Dickinson & Co.           424B2                  2:849K                                   Broadridge Fin’l So… Inc
 2/06/23  Becton, Dickinson & Co.           424B2                  1:804K                                   Broadridge Fin’l So… Inc
 2/06/23  Becton Dickinson Euro Fin Sarl    424B2                  1:979K                                   Broadridge Fin’l So… Inc
 8/10/22  Becton, Dickinson & Co.           424B2                  2:946K                                   Broadridge Fin’l So… Inc
 8/08/22  Becton, Dickinson & Co.           424B2                  1:923K                                   Broadridge Fin’l So… Inc
 8/13/21  Becton, Dickinson & Co.           424B2       8/12/21    1:1M                                     Broadridge Fin’l So… Inc
 8/13/21  Becton, Dickinson & Co.           424B2       8/12/21    1:1.1M                                   Broadridge Fin’l So… Inc
 8/10/21  Becton, Dickinson & Co.           424B2                  1:1.1M                                   Broadridge Fin’l So… Inc
 8/10/21  Becton, Dickinson & Co.           424B2                  1:1M                                     Broadridge Fin’l So… Inc
 5/06/21  Becton, Dickinson & Co.           424B5                  1:550K                                   Broadridge Fin’l So… Inc
 5/06/21  Becton, Dickinson & Co.           424B5                  1:560K                                   Broadridge Fin’l So… Inc
 5/06/21  Becton, Dickinson & Co.           S-3ASR      5/06/21    6:1M                                     Broadridge Fin’l So… Inc

2 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/12/21  Becton, Dickinson & Co.           8-K:1,2,8,9 2/12/21   16:671K                                   Broadridge Fin’l So… Inc
 2/11/21  Becton, Dickinson & Co.           8-K:2,8,9   2/11/21   14:374K                                   Broadridge Fin’l So… Inc
↑Top
Filing Submission 0000010795-21-000046   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sun., May 12, 11:33:25.2am ET