- nock⇄nock, noun, verb.
- nock⇄noun 1. a notch on a bow or arrow for the bowstring.
2. (Nautical.) the forward upper corner of a sail set to a boom or of a staysail cut with a square tack.
3. (Obsolete.) the cleft in the buttocks. - nock⇄v.t. 1. to furnish (a bow or arrow) with a nock.
2. to fit (an arrow) to the bowstring ready for shooting.