lesion

[ lee-zhuhn ]

noun

1. an injury; hurt; wound.
2. Pathology. any localized, abnormal structural change in the body.
3. Plant Pathology. any localized, defined area of diseased tissue, as a spot, canker, blister, or scab.

verb (used with object)

1. to cause a lesion or lesions in.

lesion

/ ˈliːʒən /

noun

1. any structural change in a bodily part resulting from injury or disease
2. an injury or wound

Word History and Origins

Origin of lesion¹

First recorded in 1425–75; late Middle English, from Middle French, from Latin laesiōn-, stem of laesiō “injury,” from Latin laes(us) “harmed” (past participle of laedere “to harm”) + -iō -ion

Word History and Origins

Origin of lesion¹

C15: via Old French from Late Latin laesiō injury, from Latin laedere to hurt

Example Sentences

And by the way, did you see the crusty lesion behind his right ear?

From The Daily Beast

Otherwise lacked discrete gross lesion, and the pulmonary vasculature was without note.

From The Daily Beast

By this is meant in persons who have some organic lesion of the valvular mechanism of the heart.

From Project Gutenberg

He says nothing of de Mussy's recognition of the urticarial nature of the lesion in hay fever.

From Project Gutenberg

With a slant towards the head, the cerebral ganglia are wounded and their lesion causes sudden death.

From Project Gutenberg

Any local reaction at the site of inoculation and any other readily accessible lesion should be carefully investigated.

From Project Gutenberg

Before operation is decided on, the site of the lesion must be determined.

From Project Gutenberg

Related Words

• abrasion
• bruise
• contusion
• laceration
• sore