abrader

Noun

abrader (plural abraders)

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, H. A. Dewar, Actuating Mechanism for Rotating Tools, Patent dated 1 March, 1856, in The Practical Mechanic’s Journal, Volume I, p. 232
   • In the fabric section, a textile twisting and tearing machine and a "Lissajou curve" [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness.1961 February, “Talking of Trains: New L.T. research laboratory”, in Trains Illustrated, page 77
   1. 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, Nan McNutt and Marilyn Jesmain, Passages: An Archaeology Timeline of Southeast Alaska, U.S. Department of Agriculture, Forest Service, Alaska Region
   2. A surgical instrument used to abrade bone or other tissue.
      • a cartilage abrader; a corneal abrader