n. A paper; a writing; a chart; a map.n. A piece of thick paper or pasteboard prepared for various purposes.n. A piece of cardboard on which is written or printed the name, or the name, address, etc., of the person presenting it, as in making a social visit, announcing the nature and place of one's business, etc. Cards intended for the former use are called visiting-cards. and for the latter business cards.n. A paper on which the points of the compass are marked: used with a movable magnetic needle to form a compass. See compass and compass-card.n. A piece of pasteboard or heavy note-paper on which is written or printed an invitation to a public or private entertainment, especially an invitation to or announcement of a wedding.n. A short advertisement of one's business, or a personal statement of any kind, in a newspaper or other periodical.n. Anything resembling a card in shape or use: as, a card of matches; “cards of yellow gingerbread,”n. A frame filled with honeycomb; a sheet of honeycomb.n. A perforated sheet of cardboard or metal, used in a Jacquard loom as a guide for the threads in weaving a pattern.n. An eccentric person, or any one who has some notable peculiarity; a character.To play at cards.n. A brush with wire teeth, used in disentangling fibers of wool, flax, or cotton, and laying them parallel to one another preparatory to spinning.n. A carding-machine.n. A currycomb made from a piece of card-clothing.To comb or open, as wool, flax, hemp, etc., with a card, for the purpose of disentangling the fibers, cleansing from extraneous matter, separating the coarser parts, and making fine and soft for spinning.To mingle; mix; weaken or debase by mixing.n. An abbreviation of cardinal.