lung
lung definition
lung (luŋ)
noun
- either of the two spongelike respiratory organs in the thorax of vertebrates, that oxygenate the blood and remove carbon dioxide from it
- 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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