casualty /ˈkæʒuəlti/ n. ［c］ 1.伤亡人员，死伤者：a list of casualties/a casualty list 伤亡人员名单；cause/lead to heavy/many/serious casualties 导致重大伤亡 2.受害人，损失的东西：casualty insurance灾害保险；suffer heavy casualties 遭受重大损失