lesion

Meanings

Noun

• A wound or injury.
• An infected or otherwise injured or diseased organ or part, especially such on a patch of skin.
• Any compound formed from damage to a nucleic acid.
• Injury or an unfair imbalance in a commutative contract wherein the consideration is less than half of the market value, which then serves as a basis for the injured party to sue to rescind the agreement.

Verb

• To wound or injure, especially in an experiment or other controlled procedure.

Origin

• From Middle English lesioun, from Old French lesion, from Latin laesiō ("injury"), itself from laesus, perfect passive participle of laedō.