lesion

pathologyA wound or injury.

medicineAn infected or otherwise injured or diseased organ or part, especially such on a patch of skin.

biochemistryAny compound formed from damage to a nucleic acid.

lawInjury 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.

Any localized abnormal structural change in a bodily part

An injury to living tissue (especially an injury involving a cut or break in the skin)

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