ratchet wheel

/ˌrætʃət wil/
/ˌrætʃət hwil/
IPA guide

Other forms: ratchet wheels

Definitions of ratchet wheel
  1. noun
    toothed wheel held in place by a pawl or detent and turned by a lever
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    type of:
    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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