casualty
/ˈkæʒjʊəltɪ/noun
(pl. -ies)
1- a person killed or injured in a war or accident（战争或事故中的）伤亡者。
1.1
- figurative a person or thing badly affected by an event or situation〈喻〉（事件或情况的）受害者, 牺牲品：
the building industry has been one of the casualties of the recession.
建筑业已经成为经济衰退的受害者之一。
1.2
- Brit. the casualty department of a hospital〈英〉急诊室：
he went to casualty to have a cut stitched.
他去急诊室把伤口缝合。
1.3
- (chiefly in insurance) an accident, mishap, or disaster事故, 不幸, 灾难（主要用于保险中）：
the Insurers acquire all the Policyholder's rights in respect of the casualty which caused the loss.
保险公司获得与造成损失的事故有关的投保人的一切真实情况。
词源
late Middle English （in the sense 'chance, a chance occurrence'）： from medieval Latin casualitas, from casualis （see CASUAL）, on the pattern of words such as penalty.