Source : WordNet®

Black September
     n : a Palestinian international terrorist organization that
         split from the PLO in 1974; has conducted terrorist
         attacks in 20 countries; "in the 1980s the Fatah-RC was
         considered the most dangerous and murderous Palestinian
         terror group" [syn: {Fatah Revolutionary Council}, {Fatah-RC},
          {Abu Nidal Organization}, {ANO}, {Arab Revolutionary
         Brigades}, {Revolutionary Organization of Socialist
         Muslims}]