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
lungful noun

Example Sentences

He filled his lungs with the clean. fresh air.
Recent Examples on the Web Bertha Reed, a plant employee who worked a variety of jobs and was around asbestos, was diagnosed with lung cancer and died in 2017 at 64. al, 7 Dec. 2022 Colorectal cancer is the fourth-most common form of cancer in the U.S. and the second-most deadly behind lung cancer. Aria Bendix, NBC News, 6 Dec. 2022 Emmich died Monday at his Valley Village home in Los Angeles after a long battle with lung cancer, his rep Steve Stevens told The Hollywood Reporter. Mike Barnes, The Hollywood Reporter, 2 Dec. 2022 Burke’s father, Joseph, dies at 57, of lung cancer. Marianne Mather, Chicago Tribune, 1 Dec. 2022 At another Stand Up To Cancer event in 2016, Brittany revealed to The Morning Show with Aaron Michael Sanchez that their dad had passed away from lung cancer. Emily St. Martin, Peoplemag, 29 Nov. 2022 For the past six years, Elyssa Barbaro has gotten screened for lung cancer. Time, 28 Nov. 2022 Susan Downard’s father died of lung cancer; one of her grandfathers was also diagnosed with the disease. Katie Johnston, BostonGlobe.com, 27 Nov. 2022 Jonnie Irwin is opening up about how painful it's been to battle terminal lung cancer as a father. Marisa Sullivan, Peoplemag, 24 Nov. 2022 See More

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.

Word History

Etymology

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

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

Dictionary Entries Near lung

Cite this Entry

“Lung.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lung. Accessed 9 Dec. 2022.

Kids Definition

lung

noun
1
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

noun
1
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

More from Merriam-Webster on lung

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ