Claw \Claw\, n. [AS. clawu, cl[=a], cle['o]; akin to D. klaauw, G. Klaue, Icel. kl[=o], SW. & Dan. klo, and perh. to E. clew.]

1. A sharp, hooked nail, as of a beast or bird.

2. The whole foot of an animal armed with hooked nails; the pinchers of a lobster, crab, etc.

3. Anything resembling the claw of an animal, as the curved and forked end of a hammer for drawing nails.

4. (Bot.) A slender appendage or process, formed like a claw, as the base of petals of the pink. --Gray.

Claw hammer, a hammer with one end of the metallic head cleft for use in extracting nails, etc.

Claw hammer coat, a dress coat of the swallowtail pattern. [Slang]

Claw sickness, foot rot, a disease affecting sheep.

Source: Webster's Revised Unabridged Dictionary (1913)