n. 1. One who, or that which, grinds. [ 1913 Webster ]
2. One of the double teeth, used to grind or masticate the food; a molar. [ 1913 Webster ]
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.
4. A submarine sandwich. [ local, U.S. ]
Syn. -- submarine, hoagie. [ PJC ]
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. [ 1913 Webster ]