orbital sander

orbital sander

[′ȯr·bəd·əl ′san·dər] (mechanical engineering) An electric sander that moves the abrasive in an elliptical pattern.

orbital sander

An electric-powered hand tool used in rapid sanding, usually for coarse work; the base of the machine, to which sanding paper or abrasive cloth is clipped, moves in an elliptical pattern.