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crown wheel

noun
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Definition of crown wheel

: a crown gear of light construction: such as
a : the crown-shaped horizontal escape wheel of a verge escapement timepiece
b : a contrate wheel in the winding mechanism of a watch that drives the ratchet wheel and is itself driven by the winding-stem pinion

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Cite this Entry

“Crown wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20wheel. Accessed 17 Oct. 2021.

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