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ratch·et 1  (răchĭt)
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Tweet n. 1. A mechanism consisting of a pawl that engages the sloping teeth of a wheel or bar, permitting motion in one direction only. 2. The pawl, wheel, or bar of this mechanism. v. ratch·et·ed, ratch·et·ing, ratch·ets v.tr. To cause to increase or decrease by increments:tried to ratchet up interest in the program. v.intr. To increase or decrease by increments. [French rochet, from Old French rocquet, head of a lance (from the shape of the teeth), of Germanic origin.]  (click for a larger image) ratchet1 |
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