Definition of south vietnam in English English dictionary
A former country of southeast Asia. It existed from 1954, after the fall of the French at Dien Bien Phu, to 1975, when the South Vietnamese government collapsed at the end of the Vietnam War. It is now part of Vietnam.South Vietnamese adj. & n
a former country in southeastern Asia that existed from 1954 (after the defeat of the French at Dien Bien Phu) until 1975 when it was defeated and annexed by North Vietnam