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
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The spasms are considered normal and have not been linked to any kind of pathological problem or mental health condition, though persons with Parkinson’s, chronic migraines or brain lesions have been documented experiencing more hypnic jerks than what is considered typical.
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Scott Lafee, San Diego Union-Tribune, 7 Jan. 2025
Approximately 25% of cases include such symptoms as skin lesions.
—Dan Basso, Detroit Free Press, 2 Jan. 2025
The international team from this recent study, however, examined dozens of at least 500-year-old bones or teeth riddled with lesions from museum collections in the Americas.
—Margherita Bassi, Smithsonian Magazine, 30 Dec. 2024
Their behavior was compared to both healthy controls and controls with lesions in the other parts of the frontal cortex.
—Elizabeth Rayne, Ars Technica, 30 Dec. 2024
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Scott Lafee, San Diego Union-Tribune, 7 Jan. 2025
Approximately 25% of cases include such symptoms as skin lesions.
—Dan Basso, Detroit Free Press, 2 Jan. 2025
The international team from this recent study, however, examined dozens of at least 500-year-old bones or teeth riddled with lesions from museum collections in the Americas.
—Margherita Bassi, Smithsonian Magazine, 30 Dec. 2024
Their behavior was compared to both healthy controls and controls with lesions in the other parts of the frontal cortex.
—Elizabeth Rayne, Ars Technica, 30 Dec. 2024
See all Example Sentences for lesion
Dictionary Entries Near lesion
Cite this Entry
“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 15 Jan. 2025.
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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