- The claw of a predaceous bird or animal, especially the claw of a bird of prey.
- [Zoöl] One of certain small prominences on the hind part of the face of an elephant's tooth.
- [Arch] A kind of molding, concave at the bottom and convex at the top; -- usually called an ogee.
- The shoulder of the bolt of a lock on which the key acts to shoot the bolt.
Note: ☞ When the concave part is at the top, it is called an inverted talon.
Etymology: F., heel, spur, LL. talo, fr. L. talus the ankle, heel