a play or method of play that brings the ball from one end of the court to the other quickly, usually by one or two quick passes in an attempt by the offensive team to score before the defensive team can get into position.
Origin of fast break
[fast-breyk, fahst-] /ˈfæstˈbreɪk, ˈfɑst-/
verb (used without object), fast-broke, fast-broken, fast-breaking. Basketball.