fullback — English Dictionary

Noun

1. An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.

2. A position behind the main line of backs in both rugby union and rugby league. In rugby union, they wear number 15 jersey at the start of play and are the last line of defence responsible for catching punts.

3. A defensive player who assists the goalie in preventing the opposing team from scoring.

4. A player who plays on the left or right side of defence.

   Examples

   For long, awkward spells, City looked out of their depth. Dani Alves and Jordi Alba attacked like whippets from the full-back positions.

Noun

1. (football) the running back who plays the fullback position on the offensive team

   Broader terms

   running back

2. (American football) the position of a back on a football team, generally larger in size than halfbacks

   Broader terms

   back

Verb

1. play the fullback

   Broader terms

   play