Search Result for "linebacker": 
Wordnet 3.0

NOUN (2)

1. a defensive football player who takes a position close behind the linemen;
[syn: linebacker, line backer]

2. (American football) the position of a defensive football player who plays close behind the line of scrimmage;
[syn: linebacker, line backer]



WordNet (r) 3.0 (2006):

linebacker
    n 1: a defensive football player who takes a position close
         behind the linemen [syn: linebacker, line backer]
    2: (American football) the position of a defensive football
       player who plays close behind the line of scrimmage [syn:
       linebacker, line backer]