- a player in American or Canadian football, positioned usually behind the centre, who directs attacking play
WordReference Random House Learner's Dictionary of American English © 2014
- [countable] a back in football who usually lines up immediately behind the center and directs the offense of the team.
- [uncountable] the position played by this back.
- to direct the offense of (a team): [~ + object]He quarterbacked his team to victory.[no object]He should be quarterbacking again in no time.