casualty

ca·su·al·ty

noun \ˈkazh-əl-tē, ˈkazh-(ə-)wəl-\

plural ca·su·al·ties

Definition of CASUALTY

1

: a serious or fatal accident

2

: a military person lost through death, wounds, injury, sickness, internment, or capture or through being missing in action

3

a : injury or death from accident b : one injured or killed (as by accident)