Definition of "runningback" [runningback]

• Alternative spelling of running back. (noun)

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• "San Diego Chargers runningback Ryan Matthews had his nose cauterized in order to stop his nosebleeds, a recurring problem he has had since high school."
• "That chapter then auctions the ball off, with proceeds supporting the society's mission of creating a world without MS, a chronic unpredictable disease of the central nervous system. drawn by Hai Knafo John Prince The 2009 recipient was Alabama runningback Mark Ingram, the school's first-ever Heisman winner."
• "So now the star quarterback and the star runningback of our football team are twilighters!!"