What does "casualty" mean?

Casualty: Any injury of the body from accident; hence, death, or other misfortune, occasioned by an accident; as, an unhappy casualty.

Additional senses

  1. 2.pl. (Mil. & Naval) Numerical loss caused by death, wounds, discharge, or desertion. Casualty ward, A ward in a hospital devoted to the treatment of injuries received by accident.

Sources