What is the meaning of Abrader?

Something that abrades; a tool or machine for abrading.

  1. A primitive artifact made of sandstone used for smoothing, sharpening, or shaping.
  2. A surgical instrument used to abrade bone or other tissue.

    A primitive artifact made of sandstone used for smoothing, sharpening, or shaping.

    A surgical instrument used to abrade bone or other tissue.

    Source: wiktionary.org