NOUN (2)

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

2. (American football) the position of a back on a football team;


VERB (1)

1. play the fullback;

The Collaborative International Dictionary of English v.0.48:

fullback \fullback\ n.
   an offensive football player who plays farther behind the
   line of scrimmage than the half-back. They are used primarily
   for blocking and line plunges.

   Syn: fullback.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

fullback \fullback\ v.
   1. (Football) To play the position of fullback on a football
      team; to be the fullback.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

fullback
    n 1: (football) the running back who plays the fullback position
         on the offensive team
    2: (American football) the position of a back on a football team
    v 1: play the fullback

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "fullback":
   amateur athlete, archer, athlete, ballplayer, baseballer, baseman,
   batter, battery, blocking back, bowman, catcher, center, coach,
   competitor, cricketer, defensive lineman, end, footballer,
   games-player, gamester, guard, infielder, jock, jumper, lineman,
   offensive lineman, outfield, outfielder, player, poloist,
   professional athlete, pugilist, quarterback, racer, skater, sport,
   sportsman, tackle, tailback, toxophilite, wingback, wrestler