lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Definition of lesion

1 : injury, harm
2 : an abnormal change in structure of an organ or part due to injury or disease especially : one that is circumscribed (see circumscribe sense 1) and well defined

Other Words from lesion

lesioned \ ˈlē-​zhənd How to pronounce lesion (audio) \ adjective

Examples of lesion in a Sentence

Recent Examples on the Web The wife later developed a single lesion in her genital area, but had no other symptoms. Denise Roland, WSJ, 9 Aug. 2022 An image of a tau brain lesion in CTE, credited to Dr. Ann McKee and her team. Globe Staff, BostonGlobe.com, 3 Aug. 2022 For Hall, a lesion in his urethra has left him dreading urinating. Benjamin Ryan, NBC News, 6 July 2022 However, a lesion in the mouth could lead someone to spew viral particles when talking or coughing, though it is not typically considered a respiratory virus. Morgan Hines, USA TODAY, 24 May 2022 Benjamin Ryan for NBC NewsAnother lesion is visible just above Brown's right eyebrow. Benjamin Ryan, NBC News, 22 July 2022 For instance, in the past, people diagnosed with monkeypox typically developed a total body rash; some people affected by the current outbreak, though, are seeing just a single pimple-like spot or lesion. Maggie O'neill, SELF, 29 June 2022 Experts recommend labs testing for monkeypox from swabs and lesion tissue specimens. Annalisa Merelli, Quartz, 5 June 2022 Scientists have noted that people with unusual symptoms, including only a single lesion, have been detected in the outbreak and say there have also been reports elsewhere of people with no symptoms carrying monkeypox. Fox News, 12 July 2022 See More

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

First Known Use of lesion

15th century, in the meaning defined at sense 1

History and Etymology for lesion

Middle English, from Anglo-French, from Latin laesion-, laesio, from laedere to injure

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Time Traveler for lesion

Time Traveler

The first known use of lesion was in the 15th century

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Dictionary Entries Near lesion

Lesghian

lesion

Leskeaceae

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Statistics for lesion

Last Updated

11 Aug 2022

Cite this Entry

“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 19 Aug. 2022.

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More Definitions for lesion

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Kids Definition of lesion

: an abnormal spot or area of the body caused by sickness or injury

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Medical Definition of lesion

 (Entry 1 of 2)

: an abnormal change in structure of an organ or part due to injury or disease especially : one that is circumscribed and well defined

Other Words from lesion

lesioned \ -​zhənd How to pronounce lesion (audio) \ adjective

lesion

transitive verb

Medical Definition of lesion (Entry 2 of 2)

: to produce lesions in (as an animal's brain)

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Legal Definition of lesion

in the civil law of Louisiana : loss from failure to receive a threshold amount or value (as one-half market value) for immovable property conveyed or transferred by a commutative contract (as a sale or exchange)

called also lesion beyond moiety

— compare unjust enrichment

History and Etymology for lesion

Anglo-French, damage, injury, from Latin laesio, from laedere to injure

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