duster

noun

1.
a windstorm that lifts up clouds of dust or sand
dusty dust storm sandstorm sirocco
2.
a loose coverall (coat or frock) reaching down to the ankles
courtepy dust coat gabardine gaberdine smock
3.
a piece of cloth used for dusting
dustcloth dustrag
Derived from:
dust
4.
a pitch thrown deliberately close to the batter