English

Definition of joint adjective from the Oxford Advanced Learner's Dictionary

  

joint

 adjective
adjective
BrE BrE//dʒɔɪnt//
 
; NAmE NAmE//dʒɔɪnt//
 
 
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 [only before noun] involving two or more people together a joint account (= a bank account in the name of more than one person, for example a husband and wife) The report was a joint effort (= we worked on it together). They finished in joint first place. They were joint owners of the house (= they owned it together). Word Origin Middle English: from Old French, past participle of joindre ‘to join’, from Latin jungere ‘to join’.Extra examples The report was a joint effort. The scheme is a joint Anglo-French operation. The two sides agreed to establish a joint working group. They divorced two years ago, but he has joint custody of the children. They were joint owners of the house. We opened a joint account when we got married.
See the Oxford Advanced American Dictionary entry: joint