Толковый словарь английского языка - nock

I. noun Etymology: Middle English ~e notched tip on the end of a bow; akin to Middle Dutch ~e summit Date: 14th century one of the notches cut in either of two tips of horn fastened on the ends of a bow or in the bow itself for holding the string, 2. the part of an arrow having a notch for the bowstring, the notch itself, II. transitive verb Date: 14th century to make a ~ in (a bow or arrow), to fit (an arrow) against the bowstring