lung

noun
\ ˈləŋ How to pronounce lung (audio) \

Definition of lung

1a : one of the usually paired compound saccular thoracic organs that constitute the basic respiratory organs of an air-breathing vertebrate
b : any of various respiratory organs of invertebrates
2a : 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

Other Words from lung

lungful \ ˈləŋ-​ˌfu̇l How to pronounce lung (audio) \ noun

Examples of lung in a Sentence

He filled his lungs with the clean. fresh air.
Recent Examples on the Web The autopsy said the bullet perforated Huber’s heart and right lung. Mark Berman And Kim Bellware, Anchorage Daily News, 1 Nov. 2021 The autopsy said the bullet perforated Huber’s heart and right lung. Washington Post, 31 Oct. 2021 Castro spent 299 days at Providence Portland Medical Center in Oregon — 108 of those days were spent on ECMO, which is a heart and lung bypass machine. CBS News, 27 Oct. 2021 Soon after, he was put on an ECMO machine, which is used in critical care situations to help heart and lung function. Korin Miller, Health.com, 26 Oct. 2021 While shortness of breath is often linked to heart and lung issues, the Covid-19 pandemic has shown that viruses play a role, too. Laura Landro, WSJ, 22 Oct. 2021 In particular, people with heart or lung conditions, older adults, pregnant people and children should not spend too much time outside and limit outdoor exercise to avoid inhaling the smoke and particles in the air, health officials said. Aya Elamroussi And Joe Sutton, CNN, 13 Oct. 2021 Asthma is a chronic lung disease and symptoms can range from mild to life-threatening, according to the American Lung Association. Kimberly Goad, SELF, 11 Nov. 2021 Officially, the cause of death was chronic lung disease. ABC News, 9 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lung.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of lung

before the 12th century, in the meaning defined at sense 1a

History and Etymology for lung

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

Buying Guide

Our team at The Usage has selected the best pulse oximeters of 2021.

Learn More About lung

Time Traveler for lung

Time Traveler

The first known use of lung was before the 12th century

See more words from the same century

Dictionary Entries Near lung

Lunéville

lung

lungan

See More Nearby Entries 

Statistics for lung

Last Updated

27 Nov 2021

Cite this Entry

“Lung.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lung. Accessed 5 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for lung

lung

noun

English Language Learners Definition of lung

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

lung

noun
\ ˈləŋ How to pronounce lung (audio) \

Kids Definition of lung

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

lung

noun
\ ˈləŋ How to pronounce lung (audio) \

Medical Definition of lung

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 lobes
b : any of various respiratory organs of invertebrates
2 : a mechanical device for regularly introducing fresh air into and withdrawing stale air from the lungs : respirator — see iron lung

Other Words from lung

lunged adjective

More from Merriam-Webster on lung

Nglish: Translation of lung for Spanish Speakers

Britannica English: Translation of lung for Arabic Speakers

Britannica.com: Encyclopedia article about lung

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!