dust·er /ˈdʌstɚ/
 撢子,打掃灰塵的人


 dust·er n.
 1. One who, or that which, dusts; a utensil that frees from dust. Specifically: (a) Paper Making A revolving wire-cloth cylinder which removes the dust from rags, etc. (b) Milling A blowing machine for separating the flour from the bran. (c) A dustcloth or a brush used for removing dust from objects or surfaces.
 2. A long light overgarment; specifically (a) a light over-garment, formerly worn when traveling in open vehicles to protect the clothing from dust. [U.S.] (b) A light housecoat worn by women. (c) A light overcoat worn by women, often having no lining.

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 duster
      n 1: a windstorm that lifts up clouds of dust or sand; "it was
           the kind of duster not experienced in years" [syn: {dust
           storm, sandstorm, sirocco]
      2: a loose coverall (coat or frock) reaching down to the ankles
         [syn: gaberdine, gabardine, smock, dust coat]
      3: a piece of cloth used for dusting [syn: dustcloth, dustrag]
      4: a pitch thrown deliberately close to the batter