Available Definitions:
1) n. - A covering for the head
2) n. - One usually with a visor but without a brim, for men and boys
3) n. - One of lace, muslin, etc., for women, or infants
4) n. - One used as the mark or ensign of some rank, office, or dignity, as that of a cardinal.
5) n. - The top, or uppermost part; the chief.
6) n. - A respectful uncovering of the head.
7) n. - The whole top of the head of a bird from the base of the bill to the nape of the neck.
8) n. - Anything resembling a cap in form, position, or use
9) n. - The uppermost of any assemblage of parts; as, the cap of column, door, etc.; a capital, coping, cornice, lintel, or plate.
10) n. - Something covering the top or end of a thing for protection or ornament.
11) 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.
12) n. - A percussion cap. See under Percussion.
13) n. - The removable cover of a journal box.
14) n. - A portion of a spherical or other convex surface.
15) n. - A large size of writing paper; as, flat cap; foolscap; legal cap.
16) v. t. - 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; as, to cap a post; to cap a gun.
17) v. t. - To deprive of cap.
18) v. t. - To complete; to crown; to bring to the highest point or consummation; as, to cap the climax of absurdity.
19) v. t. - To salute by removing the cap.
20) v. t. - To match; to mate in contest; to furnish a complement to; as, to cap text; to cap proverbs.
21) v. i. - To uncover the head respectfully.