Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb knap

2 senses of knap

Sense 1
rap, knap -- (strike sharply; "rap him on the knuckles")
       => strike -- (deliver a sharp blow, as with the hand, fist, or weapon; "The teacher struck the child"; "the opponent refused to strike"; "The boxer struck the attacker dead")

Sense 2
chip, knap, cut off, break off -- (break a small piece off from; "chip the glass"; "chip a tooth")
       => cut -- (separate with or as if with an instrument; "Cut the rope")