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.]

The bones next the joint are capped with a smooth cartilaginous substance.
Derham.

Tom . . . capped the proctor with the profoundest of bows.
Thackeray.

Now I have him under girdle I'll cap verses with him to the end of the chapter.
Dryden.

* In capping verses, when one quotes a verse another must cap it by quoting one beginning with the last letter of the first letter, or with the first letter of the last word, or ending with a rhyming word, or by applying any other arbitrary rule may be agreed upon.