Ratchet wheel definitions

Ratchet-Wheel

A ratchet-wheel is a circular wheel having angular teeth , into which it may be moved forward, as by lever and catch into which a pawl may drop to prevent the wheel from running back.
Found on http://www.probertencyclopaedia.com/browse/GR.HTM

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ratchet wheel

[n] - toothed wheel held in place by a pawl or detent and turned by a lever
Found on http://www.webdictionary.co.uk/definition.php?query=ratchet%20wheel

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ratchet wheel

noun toothed wheel held in place by a pawl or detent and turned by a lever
Found on https://www.encyclo.co.uk/local/20974

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