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crown wheel: Meaning and Definition of

crown' wheel"

Pronunciation: [key]
— Horol. Horol.
  1. a wheel next to the winding knob, having two sets of teeth, one at right angles to its plane.
  2. any of various wheels having the form of a hoop or short cylinder with a serrated edge, as the escape wheel in a verge escapement.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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