The Collaborative International Dictionary of English v.0.48:
Claw \Claw\ (kl[add]), 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.
Claw sickness, foot rot, a disease affecting sheep.