n. (Abbr. FB)
- Football.
- An offensive backfield player whose position is behind the quarterback and halfbacks and who primarily performs offensive blocking and line plunges.
- The position of this player.
- Sports.
- A primarily defensive backfield player in field hockey, soccer, or Rugby whose position is near the defensive goal or goal line.
- The position of this player.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.