(pouns) v.i. pounced, pounc·ing
To swoop or spring in or as in seizing prey: with on, upon, or at.
—noun
1. A talon or claw.
2. The act of pouncing; a sudden leap, swoop, spring, or seizure. [Origin uncertain]
—pounc′er noun

(pouns) v.t.
1. To perforate with holes in decorative patterns; scallop; pink.
2. To emboss (metalwork) with a design hammered on the reverse side. [<OF poinçonnier, ponchonner <poinçon, poinchon a puncheon]

(pouns) noun
1. A powder formerly used to absorb excess of ink, as on a manuscript.
2. A finely pulverized substance used in transferring designs.
—v.t. pounced, pounc·ing To sprinkle, smooth, or rub with pounce. [<F ponce <L pumex, pumicis pumice]