Definition of "quarterback" in 英语

noun

1. (American football, Canadian football) An offensive back whose primary job is to pass the ball in a play.

2. (American football, historical) An offensive back who receives the snap (hike) and then blocks the defense from crossing the line of scrimmage; a blocking back.

3. (rugby football, historical) A position just behind the forwards, or one who plays this position.

verb

1. (American football, transitive) To play the position of quarterback.

2. (figuratively, by extension, transitive) To lead a team or group; to be primarily responsible for some group project or activity.