grinder Meaning, Definition & Usage

noun a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
wedge; bomber; hero; sub; hero sandwich; poor boy; submarine; zep; Cuban sandwich; torpedo; hoagie; Italian sandwich; hoagy; submarine sandwich.
noun grinding tooth with a broad crown; located behind the premolars
molar.
noun machinery that processes materials by grinding or crushing
mill; milling machinery.
noun a machine tool that polishes metal

One who, or that which, grinds.
One of the double teeth, used to grind or masticate the food; a molar.
(Zoöl.) 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.