Pronunciation: (nok),[key] —n. 1. a metal or plastic piece at the end of an arrow, having a notch for the bowstring.
2. a notch or groove at the end of an arrow into which the bowstring fits.
3. a notch or groove at each end of a bow, to hold the bowstring in place.
4. Naut.throat (def. 6a).
—v.t. 1. to furnish with a nock.
2. to adjust (the arrow) to the bowstring, in readiness to shoot.