noun
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a rubbing, esp. of one object against another.
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a clash or conflict of opinions, interest, etc.; a collision.
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a conflict carried on by force of arms, as between nations or between parties within a nation; a war.
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the state of fact of being stuck, adhered, fastened to.
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a hand-driven grinding mill, made of two stone discs, the below one being stationary on which the other one is rotated.