n. One who dusts.n. That which is used in dusting or removing dust, as a piece of cloth or a brush.n. A fine sieve.n. A machine for sifting dry poisons upon plants, to destroy insects.n. A light overcoat or wrap worn to protect the clothing from dust, especially in traveling.n. An apparatus or device, usually employing a current of air, for removing dust or fine particles from any material, such as grain, ore, rags, and the like.n. A light wool or linen blanket, embroidered or plain, used as a cover for the lap, in driving, to protect the clothing from dust.n. A test-well which fails to reach water; a dry hole.