Knap

Definition:

(n.) A protuberance; a swelling; a knob; a button; hence, rising ground; a summit. See Knob, and Knop.
(v. t.) To bite; to bite off; to break short.
(v. t.) To strike smartly; to rap; to snap.
(v. i.) To make a sound of snapping.
(n.) A sharp blow or slap.

Compare knap with other words:

knap vs. knappy

brittle vs. knap

knap vs. swelling

knap vs. protuberance

flaking vs. knap

conchoidal vs. knap

knap vs. knapsack

knap vs. obsidian

knap vs. vitreous

knap vs. lanceolate