from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A wheel that regulates rate of movement in machine parts, as in a watch.
- noun A stabilizing influence.
from The Century Dictionary.
- noun A wheel in a watch or chronometer which by the regularity of its motion determines the beat or strike.
- noun Figuratively, whatever serves for the regulation or coördination of movements.
from the GNU version of the Collaborative International Dictionary of English.
- A wheel which regulates the beats or pulses of a watch or chronometer, answering to the pendulum of a clock; -- often called simply a
- A ratchet-shaped scape wheel, which in some watches is acted upon by the axis of the balance wheel proper (in those watches called a
- (Mach.) A wheel which imparts regularity to the movements of any engine or machine; a fly wheel.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
timekeepingdevice normally used in mechanical watchesand small clocks. Consisting of a wheel which oscillatesdue to a coiled spring.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a wheel that regulates the rate of movement in a machine; especially a wheel oscillating against the hairspring of a timepiece to regulate its beat
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