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Related to escapement: Lever escapement
1. any similar mechanism that regulates movement, usually consisting of toothed wheels engaged by rocking levers
2. (in a piano) the mechanism that allows the hammer to clear the string after striking, so that the string can vibrate
3. an overflow channel
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A device in a timepiece consisting of a toothed wheel which engages alternate pallets attached to an oscillating member.
A ratchet device that permits motion in one direction slowly.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.