I. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
: a backfield player in football who usually lines up behind the center, calls the signals, and directs the offensive play of his team
II. transitive verb
1. : to call the signals and direct the offensive play of (a football team)
2. : to give executive direction to : issue orders to : boss
quarterbacked the original buying syndicate — Time
intransitive verb
: to serve as quarterback
quarterbacked for his high school team