Search Result for "south vietnam":
Wordnet 3.0

NOUN (1)

1. 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; 



WordNet (r) 3.0 (2006):

South Vietnam
    n 1: 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