DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Ranger
       n 1: a member of the Texas state highway patrol; formerly a
            mounted lawman who maintained order on the frontier [syn:
            Texas Ranger, Ranger]
       2: an official who is responsible for managing and protecting an
          area of forest [syn: fire warden, forest fire fighter,
          ranger]
       3: a member of a military unit trained as shock troops for hit-
          and-run raids [syn: commando, ranger]