Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Either of two spongy, saclike respiratory organs in most vertebrates, occupying the chest cavity together with the heart and functioning to remove carbon dioxide from the blood and provide it with oxygen.
  • n. A similar organ in some invertebrates, including spiders and terrestrial snails.
  • idiom at the top of (one's) lungs As loudly as one's voice will allow.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A biological organ that extracts oxygen from the air.

from the GNU version of the Collaborative International Dictionary of English

  • n. An organ for aërial respiration; -- commonly in the plural.

from The Century Dictionary and Cyclopedia

  • n. One of the two spongy or saccular organs, occupying the thorax or upper part of the body-cavity, which communicate with the pharynx through the trachea, and are the organs of respiration in air-breathing vertebrates.
  • n. In entomology, one of the respiratory organs peculiar to those Arachnida whose tracheal system is modified into a number of lamellæ superimposed upon one another like the leaves of a book. They are also called pulmonary lamellæ and respiratory leaflets.
  • n. In pulmonate mollusks, a modification of the integument subserving aërial respiration: more fully called external lung. Huxley.
  • n. plural A bellows-blower; a chemist's servant.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood

Etymologies

Middle English lunge, from Old English lungen, lungs; see legwh- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English, from Old English lungen, from Proto-Germanic *lungw- (“the light organ”), from Proto-Indo-European *lengʷʰ- (“not heavy, agile, nimble”). Cognate with West Frisian long, Dutch long, German Lunge, Danish lunge, Swedish lunga and also Russian лёгкое (lёgkoe) (lung), Ancient Greek ἐλαφρός (elaphros) and perhaps Albanian lungë ("blister,bulge"). Compare Latin levis and Old English lēoht (Modern English light). (Wiktionary)

Examples

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