(nap) noun
A short sleep; doze.
—v.i. napped, nap·ping
1. To take a nap; doze.
2. To be unprepared or off one's guard. [OE hnappian doze]
—nap′per noun

(nap) noun
1. The short fibers on the surface of flannel, etc., forming a soft surface lying smoothly in one direction.
2. A covering resembling this, as upon some plants or insects.
—v.t. napped, nap·ping To raise a nap on. [<MDu. noppe]

(nap)
See NAPOLEON (def. 2).