PESTLE

Definition of PESTLE

  1. (noun)machine consisting of a heavy bar that moves vertically for pounding or crushing ores
  2. (noun)a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
  3. (noun)a club-shaped hand tool for grinding and mixing substances in a mortar
  4. (verb)grind, mash or pulverize in a mortar