Phryg·i·an cap A close-fitting cap represented in Greek art as worn by Orientals, assumed to have been conical in shape. It has been adopted in modern art as the so-called liberty cap, or cap of liberty.
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 Cap n.
 1. A covering for the head; esp. (a) One usually with a visor but without a brim, for men and boys; (b) One of lace, muslin, etc., for women, or infants; (c) One used as the mark or ensign of some rank, office, or dignity, as that of a cardinal.
 2. The top, or uppermost part; the chief.
    Thou art the cap of all the fools alive.   --Shak.
 3. A respectful uncovering of the head.
    He that will give a cap and make a leg in thanks.   --Fuller.
 4. Zool. The whole top of the head of a bird from the base of the bill to the nape of the neck.
 5. Anything resembling a cap in form, position, or use; as: (a) Arch. The uppermost of any assemblage of parts; as, the cap of column, door, etc.; a capital, coping, cornice, lintel, or plate. (b) Something covering the top or end of a thing for protection or ornament. (c) Naut. 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. (d) A percussion cap. See under Percussion. (e) Mech. The removable cover of a journal box. (f) Geom. A portion of a spherical or other convex surface.
 6. A large size of writing paper; as, flat cap; foolscap; legal cap.
 Cap of a cannon, a piece of lead laid over the vent to keep the priming dry; -- now called an apron.
 Cap in hand, obsequiously; submissively.
 Cap of liberty. See Liberty cap, under Liberty.
 Cap of maintenance, a cap of state carried before the kings of England at the coronation. It is also carried before the mayors of some cities.
 Cap money, money collected in a cap for the huntsman at the death of the fox.
 Cap paper. (a) A kind of writing paper including flat cap, foolscap, and legal cap. (b) A coarse wrapping paper used for making caps to hold commodities.
 Cap rock Mining, The layer of rock next overlying ore, generally of barren vein material.
 Flat cap, cap See Foolscap.
 Forage cap, the cloth undress head covering of an officer of soldier.
 Legal cap, a kind of folio writing paper, made for the use of lawyers, in long narrow sheets which have the fold at the top or “narrow edge.”
 To set one's cap, to make a fool of one. (Obs.) --Chaucer.
 To set one's cap for, to try to win the favor of a man with a view to marriage. [Colloq.]