Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A usually soft and close-fitting head covering, either having no brim or with a visor.
  • n. A special head covering worn to indicate rank, occupation, or membership in a particular group: a cardinal's cap; a sailor's cap.
  • n. An academic mortarboard. Used especially in the phrase cap and gown.
  • n. A protective cover or seal, especially one that closes off an end or a tip: a bottle cap; a 35-millimeter lens cap.
  • n. A crown for covering or sealing a tooth.
  • n. A tread for a worn pneumatic tire.
  • n. A fitted covering used to seal a well or large pipe.
  • n. Chiefly Southern U.S. See eye.
  • n. A summit or top, as of a mountain.
  • n. An upper limit; a ceiling: placed a cap on mortgage rates.
  • n. Architecture The capital of a column.
  • n. Botany The top part, or pileus, of a mushroom.
  • n. Botany A calyptra.
  • n. A percussion cap.
  • n. A small explosive charge enclosed in paper for use in a toy gun.
  • n. Any of several sizes of writing paper, such as foolscap.
  • n. Sports An appearance by a player in an international soccer game, traditionally rewarded with a hat.
  • transitive v. To cover, protect, or seal with a cap.
  • transitive v. To award a special cap to as a sign of rank or achievement: capped the new women nurses at graduation.
  • transitive v. To lie over or on top of; cover: hills capped with snow.
  • transitive v. To apply the finishing touch to; complete: cap a meal with dessert.
  • transitive v. To follow with something better; surpass or outdo: capped his last trick with a disappearing act that brought the audience to its feet.
  • transitive v. To set an upper limit on: decided to cap cost-of-living increases.
  • idiom cap in hand Humbly or submissively.
  • idiom set (one's) cap for To attempt to attract and win as a mate.
  • n. A capital letter.
  • transitive v. To capitalize.
  • n. Informal Capital: venture cap.
  • n. Informal Capitalization: market cap.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A close-fitting head covering either without a brim or with a peak.
  • n. A special head covering to indicate rank, occupation etc.
  • n. An academic mortarboard
  • n. A protective cover or seal
  • n. A crown for covering a tooth
  • n. The summit of a mountain etc.
  • n. An artificial upper limit or ceiling
  • n. The top part of a mushroom
  • n. The cap worn by players as protection from the sun; the cap awarded to a player when first selected to play for a side
  • n. A small amount of gunpowder in a paper strip or plastic cup for use in a toy gun
  • n. A small explosive device used to detonate a larger charge of explosives
  • n. A bullet used to shoot someone.
  • n. An international appearance
  • n. An upper limit on the interest rate payable on an otherwise variable-rate loan, used by borrowers to defend against interest rate increases. Opposite of a floor.
  • v. To cover or seal with a cap
  • v. To award a cap as a mark of distinction etc.
  • v. To lie over or on top of something
  • v. To surpass or outdo
  • v. To set an upper limit on something
  • v. To make something even more wonderful at the end.
  • v. To select a player to play for a specified side
  • v. To shoot someone
  • v. to select to play for the national team.
  • v. To uncover the head respectfully.
  • n. Capitalization.
  • n. An uppercase letter
  • v. To convert text to uppercase

from the GNU version of the Collaborative International Dictionary of English

  • n. A covering for the head.
  • n. One usually with a visor but without a brim, for men and boys.
  • n. One of lace, muslin, etc., for women, or infants.
  • n. One used as the mark or ensign of some rank, office, or dignity, as that of a cardinal.
  • n. The top, or uppermost part; the chief.
  • n. A respectful uncovering of the head.
  • n. The whole top of the head of a bird from the base of the bill to the nape of the neck.
  • n. Anything resembling a cap in form, position, or use.
  • n. The uppermost of any assemblage of parts; ; a capital, coping, cornice, lintel, or plate.
  • n. Something covering the top or end of a thing for protection or ornament.
  • n. A collar of iron or wood used in joining spars, as the mast and the topmast, the bowsprit and the jib boom; also, a covering of tarred canvas at the end of a rope.
  • n. A percussion cap. See under Percussion.
  • n. The removable cover of a journal box.
  • n. A portion of a spherical or other convex surface.
  • n. A large size of writing paper.
  • n.
  • intransitive v. To uncover the head respectfully.
  • transitive v. To cover with a cap, or as with a cap; to provide with a cap or cover; to cover the top or end of; to place a cap upon the proper part of.
  • transitive v. To deprive of cap.
  • transitive v. To complete; to crown; to bring to the highest point or consummation.
  • transitive v. To salute by removing the cap.
  • transitive v. To match; to mate in contest; to furnish a complement to.

from The Century Dictionary and Cyclopedia

  • To put a cap on; cover with or as with a cap, in any sense of that word; cover the head, top, end, or some particular part of: as, to cap a dunce at school; to cap (the nipple of) a gun.
  • To complete; consummate; crown; bring to a climax; follow up with something more remarkable than what has previously been done: as, to cap a story with its moral; he capped this exploit by another still more audacious.
  • To puzzle.
  • To deprive of the cap.
  • To salute by taking off the cap: as, to cap a proctor.
  • To uncover the head in reverence or civility.
  • To arrest.
  • To seize; lay hold of violently; specifically, to seize (a vessel) as a prize; hence, to entrap or insnare.
  • To chap, as the hands.
  • To wrinkle.
  • To coagulate.
  • An abbreviation of capital;
  • of Latin caput or capitulum, chapter;
  • in printing, of capitalize.
  • n. A covering for the head; a hood; now, especially, a head-covering or head-dress made of soft material and usually fitting more closely to the head than a hat.
  • n. Anything resembling a cap in appearance, position, or use.
  • n. [⟨ foolscap, orig. used with ref. to the old water-mark of the fool's tap and bells.] A name given, with distinctive qualifications, to several sizes of writing-paper.
  • n. The head, chief, or top; the acme.
  • n. Head, chief, or master.
  • n. An act of respect performed by uncovering the head.
  • n. A cap-sheaf (which see).
  • n. plural Fungi.
  • n. A cape. See cape.
  • n. The cap drawn over the head of a criminal immediately before he is hanged.
  • n. the cap within the rim or circle of the crown, and covering the head. Such caps are represented of different colors, which are mentioned in the blazon.
  • n. A wooden bowl: as, a cap of porridge and milk. Also caup.
  • n. The calyptra of a moss.
  • n. A cover of leather or other material for the lens of a camera to exclude light and dust. If a shutter is not used, the exposure is usually made by removing and replacing the cap.
  • n. In carriage-trimming, a funnel-shaped leather pocket used to cover the lower ends of carriage-bows and the ends of the bow-irons.
  • n. In architecture: Same as capital: in common use among masons.
  • n. A coping or other finish of the top of a post or pier or wall, especially anything projecting slightly beyond the vertical faces.
  • n. Hence — The horizontal molding finishing at the top a window-trim, door-trim or architrave.
  • n. The uppermost member of a hand-rail, as in a balustrade or the like; that part of a hand-rail which is molded to allow the hand to grasp it.
  • n. One of the white spots which appear at the poles of Mars and increase and decrease with the changes of the planet's seasons.
  • n. In steam-skidding, a cone of sheet-iron or steel, with a hole in the end through which a chain passes, which is fitted over the end of a log before snaking it, to prevent it from catching on stumps, roots, or other obstacles.
  • n. In mining, a horizontal timber resting on a prop or on one or more legs, used to support the roof.
  • n. Same as marotte.
  • n. to pause and consider carefully before deciding or acting.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a tight-fitting headdress
  • v. restrict the number or amount of
  • n. a top (as for a bottle)
  • n. a protective covering that is part of a plant
  • v. lie at the top of
  • n. an upper limit on what is allowed
  • n. something serving as a cover or protection
  • n. (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
  • n. a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
  • n. the upper part of a column that supports the entablature
  • n. a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive

Etymologies

Middle English cappe, from Old English cæppe, from Late Latin cappa.
Shortened form of capital1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English cappe, from Old English cæppe, from Late Latin cappa. (Wiktionary)
From capitalization, by shortening (Wiktionary)
From capital, by shortening (Wiktionary)

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