• synonyms

ratchet wheel

See more synonyms for ratchet wheel on Thesaurus.com
  1. a wheel, with teeth on the edge, into which a pawl drops or catches, as to prevent reversal of motion or convert reciprocating motion into rotatory motion.
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Origin of ratchet wheel

First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ratchet wheel

Historical Examples of ratchet wheel

  • The ratchet-wheel R is attached to the hub of the driving-wheel.

    How it Works

    Archibald Williams

  • A detail of one of them is shown at v in Fig. 1380, where x is the ratchet-wheel.

  • An' this ratchet-wheel isn't on the pawl prop'ly—not like what this book says it ought to be.

    More William

    Richmal Crompton

  • The oscillating of the tappet-arm produces an intermittent rotary motion of the ratchet-wheel.

  • When the tympanum vibrates under the influence of the voice, the stylus acts as a pawl and turns a ratchet-wheel.