pounce
1. pounce \'pau.n(t)s\ n [ME, talon] : the claw of a bird of prey 2. pounce vi 1: to swoop upon and seize something with or as if with talons 2: to make an abrupt assault or approach 3. pounce n : the act of pouncing 4. pounce vt : to dust, rub, finish, or stencil with pounce 5. pounce n [F ponce pumice, fr. LL pomic-, pomex, alter. of L pumic-)X, pumex - more at FOAM 1: a fine powder formerly used to prevent ink from spreading 2: a fine powder for making stenciled patterns