duster

(noun) a windstorm that lifts up clouds of dust or sand. Synonyms: dust storm, sandstorm, sirocco. Example: "It was the kind of duster not experienced in years."

(noun) a loose coverall (coat or frock) reaching down to the ankles. Synonyms: gaberdine, gabardine, smock, dust coat.

(noun) a piece of cloth used for dusting. Synonyms: dustcloth, dustrag.

(noun) a pitch thrown deliberately close to the batter.