verb-intransitive. To have a short sleep; to be drowsy; to doze.verb-intransitive. To be in a careless, secure state; to be unprepared.n. A short sleep; a doze; a siesta.n. Woolly or villous surface of felt, cloth, plants, etc.; an external covering of down, of short fine hairs or fibers forming part of the substance of anything, and lying smoothly in one direction; the pile.n. The loops which are cut to make the pile, in velvet.v. To raise, or put, a nap on.n. Same as napoleon, 1, below.