Definitions

1. noun

A player in American football who lines up behind the linemen and is usually responsible for stopping the opponent’s running back.

“The linebacker’s tackle on the quarterback sealed the team’s victory.”

2. noun

A defensive player in gridiron football who lines up behind the line of scrimmage.

“The coach assigned the rookie linebacker to support the team’s defense.”

3. noun

A defensive player in Canadian football who lines up behind the line of scrimmage.

“The linebacker’s interception of the quarterback’s pass led to a touchdown.”