n. 1 a canine tooth, esp. of a dog or wolf. 2 the tooth of a venomous snake, by which poison is injected. 3 the root of a tooth or its prong. 4 Brit. colloq. a person's tooth. fanged adj. (also in comb.). fangless adj.
[ OE f. ON fang f. a Gmc root = to catch ]