1. grind - Noun
2. grind - Verb
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.
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 study hard for examination.
To perform the operation of grinding something; to turn the millstones.
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 perform hard aud distasteful service; to drudge; to study hard, as for an examination.
The act of reducing to powder, or of sharpening, by friction.
Any severe continuous work or occupation; esp., hard and uninteresting study.
A hard student; a dig.
Source: Webster's dictionaryThe wheels of justice turn slowly, but they grind exceedingly fine. Source: Internet
When I appear in public, people expect me to neigh, grind my teeth, paw the ground, and swish my tail, none of which is easy ! Anne, Princess Royal
Though the mills of God grind slowly, yet they grind exceeding small Though with patience he stands waiting, with exactness grinds he all. Henry Wadsworth Longfellow
The mill does not grind without water. Italian Proverb
The mill cannot grind with the water that is past. Latin Proverb
First come to the mill, first grind. Spanish Proverb