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noun
Mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction.
synonyms: ratch, ratchet.
is a specific kind of: mechanical device.
has as a part: click, detent, dog, pawl | ratchet wheel.
is a part of: ratchet screwdriver, spiral ratchet screwdriver.
derivation: rachet up, ratchet, ratchet down.
Dutch: RatchPolish: zębatka
Find more on rachet elsewhere: etymology - rhymes - Wikipedia.
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