pounce

the act of pouncing

A fine powder, as of sandarac, or cuttlefish bone, -- formerly used to prevent ink from spreading on manuscript.

The claw or talon of a bird of prey.

move down on as if in an attack

To sprinkle or rub with pounce; as, to pounce paper, or a pattern.

To strike or seize with the talons; to pierce, as with the talons.

To fall suddenly and seize with the claws; -- with on or upon; as, a hawk pounces upon a chicken. Also used figuratively.