Talon

n.	1.	The claw of a predaceous bird or animal, especially the claw of a bird of prey.
	2.	(Zool.) One of certain small prominences on the hind part of the face of an elephant's tooth.
	3.	(Arch.) A kind of molding, concave at the bottom and convex at the top; - usually called an ogee.
	4.	The shoulder of the bolt of a lock on which the key acts to shoot the bolt.

Noun

1.

talon - a sharp hooked claw especially on a bird of prey

bird's foot, claw