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.
Derivatives:
fanged adj. (also in comb.). fangless adj.
Etymology: OE f. ON fang f. a Gmc root to catch