Definitions for vietcongviˌɛtˈkɒŋ, -ˈkɔŋ, ˌvyɛt-, ˌvi ɪt-
Random House Webster's College Dictionary
Vi•et•congviˌɛtˈkɒŋ, -ˈkɔŋ, ˌvyɛt-, ˌvi ɪt-(n.)(pl.)-cong.
or Vi•et Cong
a Communist-led army and guerrilla force in South Vietnam during the Vietnam War, supported largely by North Vietnam.
a member of this force.
Origin of Vietcong:
1960–65; < Vietnamese Việt-cộng
a communist organization and guerrilla army in South Vietnam and Cambodia that fought the United States, South Korea, Australia, and South Vietnamese governments during the Vietnam War and was supported by communist North Vietnam.