GRINDSTONE

grindstone. Grindstone, n. a stone for grinding tools on

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Grind″stone′ (?), n. A flat, circular stone, revolving on an axle, for grinding or sharpening tools, or shaping or smoothing objects. To hold, put, or bring one's nose to the grindstone, to oppress one; to keep one in a condition of servitude. They might be ashamed, for lack of courage, to suffer the Lacedæmonians to hold their noses to the grindstone. Sir T. North.