ca·su·al·ty /ˈkæʒəlti, ˈkæʒwəl, ˈkæʒəwəl-/
  嚴重事故,傷亡,受害者
  ca·su·al·ty /ˈkæʒəltɪ, ˈkæʒ(ə)wəl-/ 名詞
  傷亡,傷亡人員
  Cas·u·al·ty n.; pl. Casualties
  1. That which comes without design or without being foreseen; contingency.
     Losses that befall them by mere casualty.   --Sir W. Raleigh.
  2. Any injury of the body from accident; hence, death, or other misfortune, occasioned by an accident; as, an unhappy casualty.
  3. 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.
  Syn: -- Accident; contingency; fortuity; misfortune.
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  casualty
       n 1: someone injured or killed or captured or missing in a
            military engagement
       2: someone injured or killed in an accident [syn: injured
          party]
       3: an accident that causes someone to die [syn: fatal accident]
       4: a decrease of military personnel or equipment