Definition of card verb from the Oxford Advanced American Dictionary

     

    card

     verb
    verb
    NAmE//kɑrd//
     
    Verb Forms present simple I / you / we / they card
     
    he / she / it cards
     
    past simple carded
     
    -ing form carding
     
     
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  1. 1 card somebody (informal) to ask a person to show their ID card as a means of checking how old they are, for example if they want to buy alcohol
  2. 2card something (technology) to clean wool using a wire instrument
See the Oxford Advanced Learner's Dictionary entry: card