Abu Nidal Organisation Abu Nidal Organisation /ˈɑːbu niˈdɑːl ˌɔːrɡənɪˈzeɪʃən/

noun

1. [British] A Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries  ( Abu Nidal Organization , ANO , Arab Revolutionary Brigades , Black September , Fatah Revolutionary Council , Fatah-RC , Revolutionary Organization of Socialist Muslims , Abu Nidal Organisation [British] , Black September Organization )
   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
   in the 1980s the Fatah-RC was considered the most dangerous and murderous Palestinian terror group