1. Also called card, visiting card . a small card with the name and often the address of a person or of a couple, for presenting when making a business or social call, for enclosing in gifts, etc.
2. Informal. any mark, sign, trace, characteristic, or the like by which someone or something can be recognized.
3. Also called phone card . a prepaid card or charge card that can be used at a public telephone instead of coins.
[ 1895-1900, Amer. ]