One who grinds something, such as the teeth. / (anatomy) A molar. / (slang) Any tooth. / A power tool with a spinning abrasive disc, used for grinding, smoothing, and shaping materials, usually metal.

plural of grinder

A surname.

plural of Grinder

A usually hand-held grinder which uses a pair of internal gears to place the rotational axis of the grinding or cutting wheel perpendicular to that of the driving motor.

A device for pulverizing or powdering coffee beans so they can be brewed as coffee. (Technically many of the machines tear the coffee beans).

A rigid or pedantic teacher.

plural of gerund-grinder

plural of gooseberry-grinder

(archaic, British slang) The buttocks.