Definitions

1. noun

A player in American football who plays on the line of scrimmage and blocks for the running back, or a player in rugby who plays in the back row and is involved in both attacking and defensive play.

“The fullback ran through the defense and scored a touchdown.”

2. noun

A truck or trailer with a large capacity for carrying goods.

“The company used a fullback to transport heavy machinery to the construction site.”

3. noun

A person who works behind the scenes, often in a supporting role.

“The stagehand was the fullback for the theater production, ensuring everything went smoothly.”