plural of casualty

Something that happens by chance, especially an unfortunate event; an accident, a disaster. / A person suffering from injuries or who has been killed due to an accident or through an act of violence.

plural of casualty of superiority

(Scotland, law, historical) In the feudal law of Scotland, any emolument arising to the superior depending on uncertain events: those of nonentry, relief or composition, and escheat alone remaining, but considerably modified by the Conveyancing Act of 1874.

(British) (also casualty ward) the department of a hospital providing immediate treatment for emergency cases. Called emergency room in North America.