WordWeb Online

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

Type of: foreign terrorist organisation [Brit], foreign terrorist organization, FTO, terrorist group, terrorist organisation [Brit], terrorist organization