war bride

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A woman who marries a serviceman during wartime.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A woman who marries a man who is on active duty military in wartime.
• noun idiomatic A company or individual whose business is increased by warfare.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun bride of a serviceman during wartime