A person who desires war.

In war, a yell to fight.

The area in which armed conflict takes place. / (figuratively) A subject that is highly contentious; an area of conflict.

Any profits extracted as the result of winning a war or other military activity.

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