lung Hear it!

lung definition

lung (luŋ)

noun

  1. either of the two spongelike respiratory organs in the thorax of vertebrates, that oxygenate the blood and remove carbon dioxide from it
  2. any analogous organ in invertebrates

Etymology: ME lunge < OE lungen, akin to Ger lunge < IE base *legwh-, light in weight and movement: the lungs were so named because of their lightness: see lights

lung Idioms

at the top of one's lungs

in one's loudest voice

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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