1
a
: 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
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
Examples of lung in a Sentence
He filled his lungs with the clean. fresh air.
Recent Examples on the Web
But by now, the hantavirus was clawing its way into her lungs.
—
Rick Jervis, USA TODAY, 9 Mar. 2025
Francis had part of his lung removed in his twenties due to an infection, and he was briefly hospitalized for a case of bronchitis in 2023.
—Joe Hernandez, NPR, 9 Mar. 2025
The Argentine pope, who has chronic lung disease and had part of one lung removed as a young man, has remained stable, with no fever and good oxygen levels in his blood for several days, according to a Vatican statement on Saturday.
—William Lambers, Newsweek, 9 Mar. 2025
Patients might also experience tightness in the chest as fluid builds up in the lungs.
—Vanessa Etienne, People.com, 8 Mar. 2025
See All Example Sentences for lung
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Rick Jervis, USA TODAY, 9 Mar. 2025
Francis had part of his lung removed in his twenties due to an infection, and he was briefly hospitalized for a case of bronchitis in 2023.
—Joe Hernandez, NPR, 9 Mar. 2025
The Argentine pope, who has chronic lung disease and had part of one lung removed as a young man, has remained stable, with no fever and good oxygen levels in his blood for several days, according to a Vatican statement on Saturday.
—William Lambers, Newsweek, 9 Mar. 2025
Patients might also experience tightness in the chest as fluid builds up in the lungs.
—Vanessa Etienne, People.com, 8 Mar. 2025
See All Example Sentences for lung
Cite this Entry
“Lung.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lung. Accessed 12 Mar. 2025.
Copy CitationKids Definition
lung
noun1
a
: one of the usually paired organs forming the special breathing structure of vertebrates that breathe air
b
: any of various respiratory organs of invertebrates
2
: a device (as an iron lung) to promote breathing and make it easier
Medical Definition
lung
noun1
a
: 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
lunged
adjective
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