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lobe definition

lobe (lōb)

noun

a rounded projecting part; specif.,
  1. the fleshy lower part of the human ear
  2. any of the main divisions of an organ separated by fissures, etc. a lobe of the brain, lung, or liver
  3. any of the major divisions of a simple leaf that is not divided completely to the midrib or base

Etymology: Fr < LL lobus < Gr lobos < IE base *lob-, var. of *leb-, to hang down > lap, sleep

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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