Noun | 1. | ![]() Communist Party of Kampuchea, Khmer Rouge, Party of Democratic Kampuchea, KR - 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 ASEAN, Association of Southeast Asian Nations - an association of nations dedicated to economic and political cooperation in southeastern Asia and who joined with the United States to fight against global terrorism Indochina, Indochinese peninsula - a peninsula of southeastern Asia that includes Myanmar and Cambodia and Laos and Malaysia and Thailand and Vietnam Mekong, Mekong River - an Asian river; flows through a large delta in southern Vietnam into the South China Sea Cambodian, Kampuchean - a native or inhabitant of Cambodia |