cap: Meaning and Definition of


Pronunciation: (kap), [key]
— n., v., capped, cap•ping.
  1. a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
  2. a brimless head covering with a visor, as a baseball cap.
  3. mobcap.
  4. a headdress denoting rank, occupation, religious order, or the like: a nurse's cap.
  5. mortarboard (def. 2).
  6. the symbol ∩, used to indicate the intersection of two sets. Cf. intersection (def. 3a).
  7. anything resembling or suggestive of a covering for the head in shape, use, or position: a cap on a bottle.
  8. summit; top; acme.
  9. a maximum limit, as one set by law or agreement on prices, wages, spending, etc., during a certain period of time; ceiling: a 9 percent cap on pay increases for this year.
  10. the pileus of a mushroom.
  11. calyptra (def. 1).
  12. a short, horizontal beam at the top of a prop for supporting part of a roof.
  13. a percussion cap.
  14. a selection for a representative team, usually for a national squad.
  15. a noise-making device for toy pistols, made of a small quantity of explosive wrapped in paper or other thin material.
  16. a fitting of metal placed over the head of a spar, as a mast or bowsprit, and having a collar for securing an additional spar.
  17. a new tread applied to a worn pneumatic tire.
  18. a capital.
  19. a metal plate placed over the iron of a plane to break the shavings as they rise.
  20. See
  21. a contraceptive diaphragm.
  22. humbly; in supplication: He went to his father cap in hand and begged his forgiveness.
  23. to pursue as being a potential mate.
  1. to provide or cover with or as if with a cap.
  2. to complete.
  3. follow up with something as good or better; surpass; outdo: to cap one joke with another.
  4. to serve as a cap, covering, or top to; overlie.
  5. to put a maximum limit on (prices, wages, spending, etc.).
  6. to select (a player) for a representative team.
  1. to hunt with a hunting club of which one is not a member, on payment of a capping fee.


Pronunciation: (kap), [key]
— n., v., capped, cap•ping.
  1. a capital letter.
  2. Usually,uppercase: Please set the underlined in caps.
  1. to write or print in capital letters, or make an initial letter a capital; capitalize.


Pronunciation: (kap), [key]
— n. Slang.
  1. a capsule, esp. of a narcotic drug.


Pronunciation: [key]
  1. See
  2. Common Agricultural Policy: a coordinated system established in 1960 by the European Economic Community for stabilizing prices of farm products of its member countries.
  3. computer-aided publishing.
  4. convertible adjustable preferred (stock).


Pronunciation: [key]
  1. capacity.
  2. (in prescriptions) let the patient take.
  3. capital.
  4. capitalize.
  5. capitalized.
  6. capital letter.
  7. chapter.
  8. foolscap.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • cap (Thesaurus)