GRIND

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.

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.

To oppress by severe exactions; to harass. To grind the subject or defraud the prince. Dryden.

To study hard for examination. [College Slang]

To perform the operation of grinding something; to turn the millstones. Send thee Into the common prison, there to grind. Milton.

To become ground or pulverized by friction; as, this corn grinds well.

To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge.

To move with much difficulty or friction; to grate.

To perform hard aud distasteful service; to drudge; to study hard, as for an examination. Farrar.

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

Any severe continuous work or occupation; esp., hard and uninteresting study. [Colloq.] T. Hughes.

A hard student; a dig. [College Slang]