WordNet (r) 3.0 (2006):

RAF
    n 1: the airforce of Great Britain [syn: Royal Air Force,
         RAF]
    2: a Marxist and Maoist terrorist organization in Germany; a
       network of underground guerillas who committed acts of
       violence in the service of the class struggle; a successor to
       the Baader-Meinhof Gang; became one of Europe's most feared
       terrorist groups; disbanded in 1998 [syn: Red Army Faction,
       RAF]