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
That lesion was completely removed and required no further treatment.
—
Nick Mordowanec, MSNBC Newsweek, 19 May 2025
Cancerous skin lesion The lesion removed from Biden's chest is found to be cancerous, O'Connor says.
—Meredith Deliso, ABC News, 19 May 2025
The Vectra can also take close-up dermoscopy photos of suspicious lesions for even more detailed monitoring and for detecting skin cancer at an early stage.
—Cindy Krischer Goodman, Sun Sentinel, 16 May 2025
With his almost 7-foot stature, visible skin lesions, heavy cloak, raspy voice, and big ol' broom mustache, the actor is virtually unrecognizable in the film's final cut.
—Emlyn Travis Published, EW.com, 15 May 2025
See All Example Sentences for lesion
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Nick Mordowanec, MSNBC Newsweek, 19 May 2025
Cancerous skin lesion The lesion removed from Biden's chest is found to be cancerous, O'Connor says.
—Meredith Deliso, ABC News, 19 May 2025
The Vectra can also take close-up dermoscopy photos of suspicious lesions for even more detailed monitoring and for detecting skin cancer at an early stage.
—Cindy Krischer Goodman, Sun Sentinel, 16 May 2025
With his almost 7-foot stature, visible skin lesions, heavy cloak, raspy voice, and big ol' broom mustache, the actor is virtually unrecognizable in the film's final cut.
—Emlyn Travis Published, EW.com, 15 May 2025
See All Example Sentences for lesion
Cite this Entry
“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 28 May. 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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