WordNet (r) 3.0 (2006):

RUF
    n 1: a terrorist group formed in the 1980s in Sierra Leone;
         seeks to overthrow the government and gain control of the
         diamond producing regions; responsible for attacks on
         civilians and children, widespread torture and murder and
         using children to commit atrocities; sponsored by the
         president of Liberia [syn: Revolutionary United Front,
         RUF]