| Noun | 1. | identity card - a card certifying the identity of the bearer; "he had to show his card to get in"business card - a card on which are printed the person's name and business affiliation donor card - a card that you carry on your person and that authorizes the use of your organs for transplantation after your death keycard - a plastic card that has a magnetically coded strip that is scanned in order to operate a mechanism membership card - a card certifying membership in an organization borrower's card, library card - a card certifying the bearer's right to use the library ration card - a card certifying the bearer's right to purchase rationed goods positive identification - evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance; "a system for positive identification can prevent the use of a single identity by several people" |