WordNet (r) 3.0 (2006):

Party of Democratic Kampuchea
    n 1: a communist organization formed in Cambodia in 1970; became
         a terrorist organization in 1975 when it captured Phnom
         Penh and created a government that killed an estimated
         three million people; was defeated by Vietnamese troops but
         remained active until 1999 [syn: Khmer Rouge, KR,
         Party of Democratic Kampuchea, Communist Party of
         Kampuchea]