Grind — Defs

01 v. t. To reduce to powder by friction, as in a mill, or with the teeth; to crush into small fragments; to produce as by the action of millstones.

imp. & p. p. Ground; p. pr. & vb. n. Grinding

1.
To reduce to powder by friction, as in a mill, or with the teeth; to crush into small fragments; to produce as by the action of millstones.
“Take the millstones, and grind meal.” — Is. xivii. 2.
2.
To wear down, polish, or sharpen, by friction; to make smooth, sharp, or pointed; to whet, as a knife or drill; to rub against one another, as teeth, etc.
3.
To oppress by severe exactions; to harass.
“To grind the subject or defraud the prince.” — Dryden.
4.
To study hard for examination; -- commonly used with away; as, to grind away at one's studies.[College Slang]

02 v. i. To perform the operation of grinding something; to turn the millstones.

1.
To perform the operation of grinding something; to turn the millstones.
“Send thee Into the common prison, there to grind.” — Milton.
2.
To become ground or pulverized by friction; as, this corn grinds well.
3.
To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge.
4.
To move with much difficulty or friction; to grate.
5.
To perform hard and distasteful service; to drudge; to study hard, as for an examination.

03 n. The act of reducing to powder, or of sharpening, by friction.

1.
The act of reducing to powder, or of sharpening, by friction.
2.
Any severe continuous work or occupation; esp., hard and uninteresting study.[Colloq.]
3.
A student that studies hard; a dig; a wonk.[College Slang]