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Abrader

//əˈbɹeɪ.dɚ// noun

Noun

1
Something that abrades; a tool or machine for abrading.
"1856, H. A. Dewar, Actuating Mechanism for Rotating Tools, Patent dated 1 March, 1856, in The Practical Mechanic’s Journal, Volume I, p. 232, […] 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."
2
a tool or machine used for wearing down or smoothing or polishing wordnet
3
Something that abrades; a tool or machine for abrading.; A primitive artifact made of sandstone used for smoothing, sharpening, or shaping.
"1993, Nan McNutt and Marilyn Jesmain, Passages: An Archaeology Timeline of Southeast Alaska, U.S. Department of Agriculture, Forest Service, Alaska Region, 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."
4
Something that abrades; a tool or machine for abrading.; A surgical instrument used to abrade bone or other tissue.
"a cartilage abrader; a corneal abrader"

From abrade + -er.

Unscramble this word: abrader