gum sandarach pounded and sifted very fine, to rub on paper, in order to preserve it from flaking, and to make it more fit to write upon.

Pounce, is also a little heap of charcoal dust, inclosed in a piece of muslin or some other open stuff, to be patted over holes pricked in a work, in order to mark the lines or designs thereof on paper, silk, &c., placed underneath; which are to be afterwards finished with a pen and ink, a needle, or the like. This kind of pounce is much used by embroiderers, to transfer their patterns upon stuffs; by lace-makers, and sometimes also by engravers.