Definition of "duster"

An object, now especially a cloth, used for dusting surfaces etc.  examples

Someone who dusts.  examples

A loose-fitting long coat.  examples

(paper-making) A revolving wire-cloth cylinder which removes the dust from rags, etc.  examples

(milling) A blowing-machine for separating the flour from the bran.  examples

(oil and gas) A dry drill hole, one that does not produce oil or gas.  examples

(military, informal) A vehicle-mounted, multi-barrelled, anti-aircraft gun.

(Philippines) A type of loose dress worn at home as well within the vicinity of one's home.  examples

(education) A block of felt strips, shaped ergonomically, used to remove chalk from a blackboard.  examples

(baseball) A high pitch toward the batter.  examples