noun

1. a flat, stiff piece of thick paper or thin pasteboard, usually rectangular, as
   1. any of a pack of small, specially marked cards used in playing various games; specif., any of a pack of playing cards
   2. compass card
   3. ☆ a pasteboard with a number of small articles attached for sale a card of thumbtacks
   4. postcard
   5. calling card
   6. a card identifying a person as an agent, member, patron, etc.
   7. credit card
   8. an illustrated or decorated card bearing a message or greeting for some occasion a birthday card
   9. a card to advertise or announce an event, product, etc. a window card
   10. any of a series of cards on which information is recorded file card, index card
   11. ☆ score card (sense )
2. ☆ a series of contests making up a program, esp. in boxing
3. an event or attraction as described in a printed program drawing card
4. Electronics
   1. a punch card or a card with a strip encoded magnetically
   2. a printed circuit board that plugs into a main circuit board
5. Informal a witty, comical, or clowning person
6. Informal a diplomatic maneuver or a force or resource that can be used to help achieve a goal

Etymology: ME carde < OFr carte < ML carta, card, paper < L charta, leaf of paper, tablet < Gr chartēs, layer of papyrus; prob. < Egypt

transitive verb

1. to provide with a card
2. to put on a card
3. to list on cards for filing, cataloging, etc.
4. to make as a score in golf
5. Slang to ask (a young person) for identification, as an ID card, as to establish proof of legal age to drink alcohol

adjective