Linebacker
WordNet
noun
(1) The position of a defensive football player who plays close behind the line of scrimmage
(2) A defensive football player who takes a position close behind the linemen
WiktionaryText
Noun
- The defensive players who are in position behind the defensive linemen and in front of the safeties and cornerbacks and whose principal responsibilities are to tackle runners and to defend against shorter passes
- The linebacker corralled the runner who had slipped through the hole.