lesion

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.

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