Definition of fullback noun from the Oxford Advanced American Dictionary

     

    fullback

     noun
    noun
    NAmE//ˈfʊlbæk//
     
     
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  1. 1 [countable] the offensive player in football whose position is behind the quarterback and beside the halfback
  2. 2 [countable] one of the defending players in hockey or soccer, whose position is near the goal they are defending
  3. 3 [uncountable] the position a fullback plays at