ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  rachet - mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one directionmechanical device - mechanism consisting of a device that works on mechanical principles detent, pawl, click, dog - a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward ratchet wheel - toothed wheel held in place by a pawl or detent and turned by a lever ratchet screwdriver, spiral 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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