What is the medical term meaning wound or injury?

A trauma.
Trauma for an injury, laceration for an open wound/cut.
i an guessing here, abrasion
the Word wound means an injury, usually involving division of tissue or rupture of the integument or mucous membrane, due to external violence or some mechanical agency rather than disease. or an injury or hurt to feelings, sensibilities, reputation, etc. and injury is a harm or damage that is done or sustained: to escape without injury.
Trauma