Pounce (?), n. [F. ponce pumice, pounce, fr. L. pumex, -icis, pumice. See Pumice.] 1. A fine powder, as of sandarac, or cuttlefish bone, — formerly used to prevent ink from spreading on manuscript.
2. Charcoal dust, or some other colored powder for making patterns through perforated designs, — used by embroiderers, lace makers, etc.
Pounce box, a box for sprinkling pounce. — Pounce paper, a transparent paper for tracing.