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The Collaborative International Dictionary of English v.0.48 (gcide)

Grind \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.
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Take the millstones, and grind meal. --Is. xivii.
2.
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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.
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3. To oppress by severe exactions; to harass.
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To grind the subject or defraud the prince.
--Dryden.
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4. To study hard for examination; -- commonly used with away;
as, to grind away at one's studies. [College Slang]
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Grinding \Grind"ing\, a. & n.
from Grind.
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{Grinding frame}, an English name for a cotton spinning
machine.

{Grinding mill}.
(a) A mill for grinding grain.
(b) A lapidary's lathe.
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