Definition of: grind

(grīnd) v. ground, grind·ing v.t.
1. To sharpen, polish, or shape by friction.
2. To reduce to fine particles, as by crushing or friction; triturate.
3. To rub or press gratingly or harshly: to grind one's teeth.
4. To oppress; harass cruelly.
5. To operate by turning a crank, as a coffee mill.
6. To produce by or as by grinding.
7. Colloq. To teach laboriously.
—v.i.
8. To perform the operation of grinding.
9. To undergo grinding; become ground.
10. To rub; grate.
11. Colloq. To study or work steadily; drudge.
—noun
1. The act of grinding, or the sound made by grinding.
2. Colloq. Work or study that is tediously and laboriously performed.
3. Colloq. A laborious student. [OE grindan]
—grind′ing adjective noun
—grind′ing·ly adverb