- a back in football who usually lines up immediately behind the center and directs the offense of the team.
- the position played by this back.
- a person who leads or directs a group or activity.
- to direct the offense of (a team).
- to lead or direct: to quarterback a public-relations campaign.
- to play the position of quarterback.
- a player in American or Canadian football, positioned usually behind the centre, who directs attacking play
- wisdom after the event, esp by spectators