• (British) IPA: /ˈkaʒ(ʊ)əlti/

casualty

1. 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. 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. (military) A person in military service who becomes unavailable for duty, for any reason (notably death, injury, illness, capture, or desertion).
5. (British) The accident and emergency department of a hospital.
6. An incidental charge or payment.
7. (obsolete) Chance nature; randomness.
   • 1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps, OCLC 54573970 ↗:

     , NYRB 2001, vol.1, p.327-8:

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

• (something that happens by chance) fortune, luck; see also Thesaurus:luck
• (hospital's accident and emergency)
  • emergency / emergency room / emergency department / emergency ward / E. R./E.R./ER
  • casualty department / casualty ward
  • accident and emergency / A&E

• casual

• French: accident
• German: Unfall, Unglück, Unglücksfall, Kalamität, Desaster
• Russian: происше́ствие

• French: victime
• German: Opfer, Verletzter, Verwundeter, Verunglückter, Toter, Gefallener, Verlust, Ausfall, Todesfall, Todesopfer, Unfallopfer
• Italian: ferito
• Portuguese: baixa
• Russian: же́ртва
• Spanish: baja, víctima

• French: urgences
• Russian: травматология