Cas.

Noun

casualty (countable and uncountable, plural casualties)

1. Something that happens by chance, especially an unfortunate event; an accident, a disaster.
   • The course of his education was like that of others, such as put him little in the way of extraordinary casualties.1756, Samuel Johnson, “The Life of Sir Thomas Browne” in Thomas Browne, Christian Morals, 2nd edition, London: J. Payne, p. xx

   Synonyms:

   fortune

2. A person suffering from injuries or who has been killed due to an accident or through an act of violence.
3. (proscribed) Specifically, a person who has been killed (not only injured) due to an accident or through an act of violence; a fatality.
4. A person in military service who becomes unavailable for duty, for any reason (notably death, injury, illness, capture, or desertion).
5. An incidental charge or payment.
6. 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.1962 December, “Beyond the Channel: Switzerland: Federal aid for three minor lines”, in Modern Railways, page 418

See all 7 meanings of casualty