- The definition of Broken Arrow is an accident involving nuclear weapons or supplies that does not cause a nuclear war risk, or a city in northeastern Oklahoma.
An example of a Broken Arrow is a nuclear device going off by accident.
(plural broken arrows)
- (US, euphemistic, military) An accidental event that involves nuclear weapons or nuclear components but does not create the risk of nuclear war.
- (US, military) a code phrase that a ground unit is facing imminent destruction from enemy attack and all available air forces within range are to provide air support immediately.