in general sense, denotes an accident, or a thing happening by chance, not design. It is particularly used for an accident producing unnatural death.

in Scot's law. Casualties of a superior, are those duties and emoluments which a superior has right to demand out of his vassal's estate, over and besides the constant yearly duties established by the reddendo of his charter upon certain casual events.

in Metallurgy. See CAUSALITY.