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lung

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noun \ˈləŋ\

Simple Definition of lung

  • : either one of the two organs that people and animals use to breathe air

Source: Merriam-Webster's Learner's Dictionary

Full Definition of lung

  1. 1 a :  one of the usually paired compound saccular thoracic organs that constitute the basic respiratory organ of air-breathing vertebrates b :  any of various respiratory organs of invertebrates

  2. 2 a :  a device enabling individuals abandoning a submarine to rise to the surface b :  a mechanical device for regularly introducing fresh air into and withdrawing stale air from the lung :  respirator — compare iron lung

lungful

play \-ˌfu̇l\ noun

Examples of lung in a sentence

  1. He filled his lungs with the clean. fresh air.



Origin and Etymology of lung

Middle English lunge, from Old English lungen; akin to Old High German lungun lung, līhti light in weight — more at light


First Known Use: before 12th century

Rhymes with lung



LUNG Defined for Kids

lung

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noun \ˈləŋ\

Definition of lung for Students

  1. :  either of two organs in the chest that are like bags and are the main breathing structure in animals that breathe air




Medical Dictionary

lung

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noun \ˈləŋ\

Medical Definition of lung

  1. 1a:  one of the usually two compound saccular organs that constitute the basic respiratory organ of air-breathing vertebrates, that normally occupy the entire lateral parts of the thorax and consist essentially of an inverted tree of intricately branched bronchioles communicating with thin-walled terminal alveoli swathed in a network of delicate capillaries where the actual gaseous exchange of respiration takes place, and that in humans are somewhat flattened with a broad base resting against the diaphragm and have the right lung divided into three lobes and the left into two lobesb:  any of various respiratory organs of invertebrates

  2. 2:  a mechanical device for regularly introducing fresh air into and withdrawing stale air from the lungs :  respirator—see iron lung

lunged

adjective


Illustration of lung


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