Noun
A woman who marries a man who is on active military duty in wartime; especially, a woman who marries a foreign soldier serving in her country and then emigrates to his.
(idiomatic) A company or individual whose business is increased by warfare.
Source: en.wiktionary.orgIt was very gray, very dreary. Everything was still rationed when I first saw the United States in 1951. I went over to visit my sister who was a war bride. John Mahoney