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 coloured 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.
Origin: F. Ponce pumice, pounce, fr. L. Pumex, -icis, pumice. See Pumice.