n. Fine, minute, loose, uncompacted particles, such as result from pounding or grinding a solid substance; dust.n. A preparation or composition, in the form of dust or minute loose particles, applied in various ways, as in the toilet, etc.: as, hair-powder; face-powder.n. A composition of saltpeter, sulphur, and charcoal, mixed and granulated: more particularly designated gunpowder (which see).n. Seasoning, either of salt or of spices.n. A medical remedy, or a dose of some medical remedy, in the form of powder, or minute loose or uncompacted particles: as, he has to take three powders every hour.To reduce to powder; pulverize; triturate; pound, grind, or rub to fine particles.To sprinkle with powder, dust, ashes, etc.; specifically, to put powder upon: as, to powder the hair or the face.To sprinkle with salt, spices, or other seasoning; hence, to corn; pickle.To sprinkle as with powder; stud; ornament with a small pattern, continually repeated.To whiten by some application of white material in the form of a powder: thus, lace which has grown yellow is powdered by being placed in a packet of white lead and beaten.To scatter; place here and there as if sprinkled like powder: as, to powder violets on a silk ground.To fall to dust; be reduced to powder.To apply powder to the hair or face; use powder in the toilet.To attack violently; make a great stir.