Definition from Wiktionary, the free dictionary
- (US) One who has a parent or parents in the military, possibly one who lives on a military base.
- Note that despite the use of the word army, this term can apply to any branch of the military. The terms military brat, navy brat, and so on, though not quite as common, are also attested.
child who lives with his or her parents on a military base, or an adult who did so as a child