disc sander

noun

variants or disk sander

plural disc sanders or disk sanders

: a machine having one or more usually spinning flat circular disks faced with abrasive for smoothing surfaces (such as wooden floors or sheet metal)

When you're sure all the sheet metal is just slightly below the surface of the surrounding area, use a disc sander with 36-grit paper to remove all paint and primer from the dent and surrounding area.

—John Decker

Word History

First Known Use

1906, in the meaning defined above