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
Examples of lesion in a Sentence
Recent Examples on the Web
According to the study, MRI scans showed a lesion on the left side of his brain.
—
Aria Bendix, NBC News, 22 Mar. 2024
While the cause is unknown, MS attacks the central nervous system, creating lesions on the brain and spinal cord, and damaging the protective layer surrounding the nerve fibers, called myelin.
—Andrew Abrahams, Peoplemag, 1 Mar. 2024
The scientists issued nine recommendations in their report on the death, including keeping lesions covered, maintaining hygiene practices and possibly prescribing antiviral drugs to patients with the virus who have compromised immune systems.
—Robert Hart, Forbes, 12 Feb. 2024
Skin cancers can be detected by you, family, friends or, believe it or not, even a hairstylist who notices a changing mole or lesion.
—Drs. Kate Oberlin, Keyvan Nouri and Lawrence Schachner, Miami Herald, 30 Jan. 2024
Both were healthy and active aside from minor skin lesions and mild cases of ringworm.
—Stephanie Gallman Jordan, Southern Living, 29 Feb. 2024
His last physical showed that the president had a lesion removed from his chest over the previous year, but the results then otherwise largely matched the findings after Biden’s previous exam in November 2021.
—Darlene Superville, Fortune, 28 Feb. 2024
Biden also had a basal cell carcinoma skin lesion removed in March, and a root canal procedure in June.
—Molly Bohannon, Forbes, 28 Feb. 2024
They were riddled with lesions, pock marks and holes.
—Irene Wright, Miami Herald, 9 Feb. 2024
Aria Bendix, NBC News, 22 Mar. 2024
While the cause is unknown, MS attacks the central nervous system, creating lesions on the brain and spinal cord, and damaging the protective layer surrounding the nerve fibers, called myelin.
—Andrew Abrahams, Peoplemag, 1 Mar. 2024
The scientists issued nine recommendations in their report on the death, including keeping lesions covered, maintaining hygiene practices and possibly prescribing antiviral drugs to patients with the virus who have compromised immune systems.
—Robert Hart, Forbes, 12 Feb. 2024
Skin cancers can be detected by you, family, friends or, believe it or not, even a hairstylist who notices a changing mole or lesion.
—Drs. Kate Oberlin, Keyvan Nouri and Lawrence Schachner, Miami Herald, 30 Jan. 2024
Both were healthy and active aside from minor skin lesions and mild cases of ringworm.
—Stephanie Gallman Jordan, Southern Living, 29 Feb. 2024
His last physical showed that the president had a lesion removed from his chest over the previous year, but the results then otherwise largely matched the findings after Biden’s previous exam in November 2021.
—Darlene Superville, Fortune, 28 Feb. 2024
Biden also had a basal cell carcinoma skin lesion removed in March, and a root canal procedure in June.
—Molly Bohannon, Forbes, 28 Feb. 2024
They were riddled with lesions, pock marks and holes.
—Irene Wright, Miami Herald, 9 Feb. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lesion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near lesion
Cite this Entry
“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 20 Apr. 2024.
Copy CitationKids Definition
lesion
noun
le·sion
ˈlē-zhən 
: a change in the structure of a bodily organ or part due to injury or disease
especially
: an injured or diseased spot or area clearly marked off from healthy tissue around it
Medical Definition
Legal Definition
lesion
noun
le·sion
ˈlē-zhən
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 enrichmentEtymology
Anglo-French, damage, injury, from Latin laesio, from laedere to injure
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