monetary compensation intended to cover damage or injury during a war

Law concerning acceptable practices while engaged in war.

The wife of a person in the armed forces killed in a war (and sometimes in other military action). / (by extension) A woman whose spouse has been killed in any conflict.

(archaic, military) warship

(dated) World War I

plural of war game

An individual weapon for war, especially a mechanical one such as a siege engine or tank. / The military resources of a belligerent country considered as a whole.

Alternative spelling of war paint

(idiomatic) A heated exchange of threatening or inflammatory statements.

plural of war machine