quarterback

The offensive backfield player whose position is behind the line of scrimmage and who usually calls the signals for the plays and receives the ball when snapped.

To direct the offense of.

To lead or direct the operations of.

To play quarterback.

an offensive back whose primary job is to pass the ball in a play

to play the position of quarterback

to lead the offense

play the quarterback

(football) the person who plays quarterback

(American football) the position of the football player in the backfield who directs the offensive play of his team