Dusters meaning : An object, now especially a cloth, used for dusting surfaces etc. Someone who dusts. A light, loose-fitting long coat. (paper-making) A revolving wire-cloth cylinder which removes the dust from rags, etc. (milling) A blowing-machine for separating the flour from the bran. (oil and gas) A dry drill hole, one that does not produce oil or gas. A vehicle-mounted, multi-barrelled, anti-aircraft gun. A sundress. A block of felt strips, shaped ergonomically, used to remove chalk from a blackboard. A high pitch toward the batter.