|Origin:||casualitas 'chance, bad luck, loss', from Late Latin casualis; CASUAL|
someone who is hurt or killed in an accident or war:
Our aim is to reduce road casualties.
civilian casualties (=people who are not soldiers who are injured or killed)
someone or something that suffers as a result of a particular event or situation
The Safer City Project is the latest casualty of financial cutbacks.
3 [uncountable] also Casualty British EnglishMH
the part of a hospital that people are taken to when they are hurt in an accident or suddenly become ill [= Emergency Room American English]
Jean ended up in casualty last night.