Meaning | mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction. |
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Synonyms | ratchet, rachet |
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Part of | spiral ratchet screwdriver, ratchet screwdriver | A screwdriver with a ratchet (so the blade turns in only one direction) and a spiral in the handle (so the blade rotates) with downward pressure on the handle |
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Parts | pawl, detent, click, dog | A hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward |
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ratchet wheel | toothed wheel held in place by a pawl or detent and turned by a lever |
Broader | mechanical device | mechanism consisting of a device that works on mechanical principles |
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Spanish | matraca, trinquete |
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Catalan | trinquet |
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