pendulum Hear it!

pendulum definition

pen·du·lum (pen′dyo̵̅o̅ ləm, -dyə-, -də-; -jo̵̅o̅-, -jə-)

noun

a body hung from a fixed point so as to swing freely to and fro under the combined forces of gravity and momentum: often used in regulating the movement of clocks

Etymology: ModL < neut. of L pendulus: see pendulous

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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