talon

noun

1. 1.A sharp, hooked claw of a bird of prey or other predatory animal.
2. 2.One of certain small prominences on the hind part of the face of an elephant's tooth.
3. 3.A kind of moulding, concave at the bottom and convex at the top; an ogee. (When the concave part is at the top, it is called an inverted talon.)
4. 4.The shoulder of the bolt of a lock on which the key acts to shoot the bolt.
5. 5.In various card games, the remaining stock of undealt cards.