n.
Pronunciation: ' näk
Function: noun
Etymology: Middle English nocke notched tip on the end of a bow; akin to Middle Dutch nocke summit
Date: 14th century
1 : 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 a : the part of an arrow having a notch for the bowstring b : the notch itself