Definition of "running back" []

• Football 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As the British tightened their ranks and the Camel Corps dismounted to reinforce the line, the square could not open fire without hitting its own skirmishing parties, running back before the Ansar."
• "When Keefy was a boy, his greatest passion was football, and his favorite player was a running back for the Minnesota Vikings named Chuck Foreman."
• "The will of the group was also teetering—in favor of running back to Smith Point."