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
Other surgical management: Tinnitus related to noncancerous tumors in the ears and brainstem tumors may be treated by surgically removing related tumors or lesions.
—
Carley Millhone, Health, 20 Oct. 2024
The resulting lesions, or scar tissue, disrupt communication between nerves and the brain.
—Cynthia Sanz, People.com, 18 Oct. 2024
But a skilled reader of lesions can sense which is which and predict the potential course if untreated.
—Adam Gopnik, The New Yorker, 14 Oct. 2024
Sure, there are spot treatments with acne-targeting ingredients such as salicylic acid and benzoyl peroxide, which can help diminish the swelling and size of lesions.
—Ariana Yaptangco, Glamour, 14 Oct. 2024
See all Example Sentences for lesion 
Carley Millhone, Health, 20 Oct. 2024
The resulting lesions, or scar tissue, disrupt communication between nerves and the brain.
—Cynthia Sanz, People.com, 18 Oct. 2024
But a skilled reader of lesions can sense which is which and predict the potential course if untreated.
—Adam Gopnik, The New Yorker, 14 Oct. 2024
Sure, there are spot treatments with acne-targeting ingredients such as salicylic acid and benzoyl peroxide, which can help diminish the swelling and size of lesions.
—Ariana Yaptangco, Glamour, 14 Oct. 2024
See all Example Sentences for lesion
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 31 Oct. 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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