1) Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.

2) 1. a: An injury (as a wound) to living tissue caused by an extrinsic agent (surgical trauma) (the intra-abdominal organs at greatest risk to athletic trauma are the spleen, pancreas, and kidney -- M. R. Eichelberger). b: A disordered psychic or behavioral state resulting from mental or emotional stress or physical injury. 2: An agent, force, or mechanism that causes trauma.