The Collaborative International Dictionary of English v.0.48:

Paw \Paw\ (p[add]), n. [OE. pawe, poue, OF. poe: cf. patte, LG.
   pote, D. poot, G. pfote.]
   1. The foot of a quadruped having claws, as the lion, dog,
      cat, etc.
      [1913 Webster]

   2. The hand. [Jocose] --Dryden.
      [1913 Webster]

   Paw clam (Zool.), the tridacna; -- so called because shaped
      like an animal's paw.
      [1913 Webster]