casualty

noun

1. (countable, uncountable)Something that happens by chance, especially an unfortunate event; an accident, a disaster.

   “1756, Samuel Johnson, “The Life of Sir Thomas Browne” in Thomas Browne, Christian Morals, 2nd edition, London: J. Payne, p. xx, The course of his education was like that of others, such as put him little in the way of extraordinary casualties.”

2. (countable, uncountable)A person suffering from injuries or who has been killed due to an accident or through an act of violence.
3. (countable, proscribed, uncountable)Specifically, a person who has been killed (not only injured) due to an accident or through an act of violence; a fatality.
4. (countable, uncountable)A person in military service who becomes unavailable for duty, for any reason (notably death, injury, illness, capture, or desertion).
5. (British, abbreviation, alt-of, clipping, countable, uncountable)Clipping of casualty department: the accident and emergency department of a hospital providing immediate treatment.
6. (countable, uncountable)An incidental charge or payment.
7. (countable, uncountable)Someone or something adversely affected by a decision, event or situation.

   “Among recent casualties is the S.B.B.'s branch from Nyon to Divonne-les-Bains, just across the French frontier, closed to all traffic at the commencement of the winter service.”

   “Today, the pocket calculator is a dying product, a casualty of digitization, which has been relegated to the role of a graphic icon on phone and computer screens rather than an object in its own right, but back in the early 1970s, it was at the forefront of consumer technology.”

8. (countable, obsolete, uncountable)Chance nature; randomness.

   “The non-necessary [causes] follow; of which, saith Fuchsius, no art can be made, by reason of their uncertainty, casualty, and multitude […]”