Br
      n 1: a nonmetallic largely pentavalent heavy volatile corrosive
           dark brown liquid element belonging to the halogens;
           found in sea water [syn: bromine, atomic number 35]
      2: a Marxist-Leninist terrorist organizaiton that arose out of
         a student protest movement in the late 1960s; wants to
         separate Italy from NATO and advocates violence in the
         service of class warfare and revolution; mostly inactive
         since 1989 [syn: Red Brigades, Brigate Rosse]