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English definition of “aid”

aid

verb [I or T]     /eɪd/
to help or support someone or something: Better training policies and new technologies are aiding disabled people in the workplace.aid in (doing) sth An additional team of contractors was hired to aid in the plant's construction.
aid and abet LAW to help someone do something that is illegal: Prosecutors argued that he aided and abetted in illegal drug cultivation and sale.
(Definition of aid verb from the Cambridge Business English Dictionary © Cambridge University Press)
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