The definition of a lesion is a wound or an area of the body that has been damaged through injury or disease.(noun)
An open wound is an example of a lesion.
See lesion in Webster's New World College Dictionary
Origin: ME < MFr < L laesio < laesus, pp. of laedere, to harm, injure
See lesion in American Heritage Dictionary 4
Origin: Middle English lesioun
Origin: , from Old French lesion
Origin: , from Latin laesiō, laesiōn-
Origin: , from laesus
Origin: , past participle of laedere, to injure.
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