TALON

noun the shoulder of the bolt of a lock on which the key acts to shoot the bolt.

2. talon ·noun the claw of a predaceous bird or animal, especially the claw of a bird of prey.

3. talon ·noun one of certain small prominences on the hind part of the face of an elephant's tooth.

4. talon ·noun a kind of molding, concave at the bottom and convex at the top;

— usually called an ogee.