abrader

noun3

1. •
   Something that abrades; a tool or machine for abrading.

   • […] provision is made for the attachment thereto of various operating tools, such, for example, as drills, saws, grindstones, polishers, and cutters, or abraders or shapers of various kinds. — 1856
2. •
   A primitive artifact made of sandstone used for smoothing, sharpening, or shaping.

   • 5,000 years ago the people of Southeast Alaska began grinding bone on a sandy stone called an abrader to form the desired shape and sharpness. — 1993
3. •
   A surgical instrument used to abrade bone or other tissue.