WordReference Random House Learner's Dictionary of American English © 2015
lung /lʌŋ/USA pronunciation   n. [countable]
  1. Anatomyeither of the two saclike organs used for breathing in the chest of humans and air-breathing animals.

WordReference Random House Unabridged Dictionary of American English © 2015
lung  (lung), 
  1. Anatomyeither of the two saclike respiratory organs in the thorax of humans and the higher vertebrates.
  2. Zoologyan analogous organ in certain invertebrates, as arachnids or terrestrial gastropods.
  3. Idiomsat the top of one's lungs, as loudly as possible; with full voice:The baby cried at the top of his lungs.
Etymology:bef. 1000;
Middle English lungen, Old English;
cognate with German Lunge;
akin to light2, lights
lunged  (lungd), 

Collins Concise English Dictionary © HarperCollins Publishers::

lung /lʌŋ/ n
  1. either one of a pair of spongy saclike respiratory organs within the thorax of higher vertebrates, which oxygenate the blood and remove its carbon dioxide
  2. at the top of one's lungsin one's loudest voice; yelling
Etymology: Old English lungen; related to Old High German lungun lung. Compare lights²

'lung' also found in these entries:


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