Grind·er n.
1. One who, or that which, grinds.
2. One of the double teeth, used to grind or masticate the food; a molar.
3. Zool. The restless flycatcher (Seisura inquieta) of Australia; -- called also restless thrush and volatile thrush. It makes a noise like a scissors grinder, to which the name alludes.
Grinder's asthma, Grinder's phthisis, or Grinder's rot Med., a lung disease produced by the mechanical irritation of the particles of steel and stone given off in the operation of grinding.
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