Any of the usually 52 rectangular pieces of card used to play numerous games, featuring either one to 10 pips or a picture and belonging of one of four suits.

(games) Any of the many games played with playing cards.

(sports) A card displayed by the referee when a player is sent off for a serious infringement of the rules. / (colloquial) Any official instructions to vacate an area.

(sports) a yellow-coloured card, shown to a player (especially in association football) as a caution that he or she has committed a flagrant foul; a further such foul would result in a red card.

A press or media credential issued as identification to newsgatherers who work professionally in media. The principal occupations covered are reporters and writers, photographers, film and video camera operators and crews and other broadcasting workers such as producers and researchers.

A structure made by stacking playing cards in a pyramidal fashion. / (by extension, often attributive) Any structure with alternating vertical and horizontal layers.

Dated form of postcard.

A small card with a person's name and professional information (such as occupation, business phone number, e-mail address, etc.).

a lottery ticket containing sections covered with an opaque waxy film which may be removed by scratching to reveal symbols that show whether or not a prize has been won

(banking) A plastic card, usually with a magnetic strip or an embedded microchip, connected to a credit account and used to buy goods or services. / (informal) Any type of bank card.