D defs.my
Entry 3 senses Webster, 1913

Casualty

/kăzh'-əw-əl-tē/ · Cas·u·al·ty · IPA /ˈkæʒu.əlti/
01 n. That which comes without design or without being foreseen; contingency.
pl. Casualties ((#))
  1. 1.
    That which comes without design or without being foreseen; contingency.
    “Losses that befall them by mere casualty.” Sir W. Raleigh.
  2. 2.
    Any injury of the body from accident; hence, death, or other misfortune, occasioned by an accident; as, an unhappy casualty.
  3. 3.
    Numerical loss caused by death, wounds, discharge, or desertion.(Mil. & Naval)
Phrases & compounds
Casualty ward — A ward in a hospital devoted to the treatment of injuries received by accident.