Knap

KNAP, noun nap. A protuberance; a swelling. [Little used. See [[Knob]].]

KNAP, verb transitive nap. [See Knab.]

1. To bite; to bite off; to break short. [Little used.]

2. To strike with a sharp noise. [Little used.]

KNAP, verb intransitive nap. To make a short, sharp sound.