running backrunning back
Football an offensive back, usually one of a pair, responsible primarily for rushing the ball; halfback or fullback
An offensive back, such as a fullback or halfback, who has the responsibility of advancing the ball by running with it on plays from the line of scrimmage.
(plural running backs)
- (American football) An offensive back whose primary job is to be the ballcarrier.
- Present participle of run back.