Talon

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

II. Talon ·noun The claw of a predaceous bird or animal, especially the claw of a bird of prey.

III. Talon ·noun One of certain small prominences on the hind part of the face of an elephant's tooth.

IV. Talon ·noun A kind of molding, concave at the bottom and convex at the top;

— usually called an Ogee.