Grind (?), v. t. [imp. & p. p.Ground (?); p. pr. & vb. n.Grinding.] [AS. grindan; perh. akin to L. frendere to gnash, grind. Cf. Grist.] 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.