Grinder



ENGLISH MEANING
noun
1.
One who, or that which, grinds.
2.
One of the double teeth, used to grind or masticate the food; a molar.
3.
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.