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.
v. t. - 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.
v. t. - To oppress by severe exactions; to harass.
v. t. - To study hard for examination.
v. i. - To perform the operation of grinding something; to turn the millstones.
v. i. - To become ground or pulverized by friction; as, this corn grinds well.
v. i. - To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge.
v. i. - To move with much difficulty or friction; to grate.
v. i. - To perform hard aud distasteful service; to drudge; to study hard, as for an examination.
n. - The act of reducing to powder, or of sharpening, by friction.
n. - Any severe continuous work or occupation; esp., hard and uninteresting study.
n. - A hard student; a dig.