To punch; prick; perforate; make holes in; specifically, to ornament by perforating or cutting; ornament with holes, especially eyelet-holes.To cut, as glass or metal; ornament by cutting.To seize with the pounces; strike suddenly with the claws or talons.In hat-making, to raise a nap on (a felt hat). See pouncing-machine.To fall on and seize with the pounces or talons; dart or dash upon, like a bird of prey upon its victim; seize suddenly: used with on or upon.n. A punch or puncheon; a stamp.n. A sharp-pointed graver.n. Cloth pounced, or worked with eyelet-holes.n. A claw or talon of a bird of prey; the claw or paw of any animal.n. A substance, such as powdered sepia-bone or powdered sandarach, used to prevent blotting in rewriting over erasures, and in medicine as an antacid; also, a similar powder used in the preparation of parchment or writing-paper.n. A powder (especially, the gum of the juniper-tree reduced to a finely pulverized state, or finely powdered pipe-clay darkened by charcoal) inclosed in a bag of some open stuff, and passed over holes pricked in a design to transfer the lines to a paper underneath. This kind of pounce is used by embroiderers to transfer their patterns to their stuffs; also by fresco-painters, and sometimes by engravers.n. A powder used as a medicine or cosmetic.To sprinkle or rub with pounce; powder.To trace by rubbing pounce through holes pricked in the outline of a pattern: as, to pounce a design. See pouncing.To imprint or copy a design upon by means of pounce. See pouncing.In hat-making, to grind or finish (felt hats) by dressing them with sandpaper.