| NOUN | artifact | ratchet wheel | toothed wheel held in place by a pawl or detent and turned by a lever |
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| Meaning | toothed wheel held in place by a pawl or detent and turned by a lever. | |
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| Part of | ratchet, rachet, ratch | mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction |
| Broader | wheel | A simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines) |
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