Definition of Cochin-China in English:
 Cochin-China
proper nounˈkəʊtʃɪnˈkɒtʃɪnˌkoʊtʃɪnˈtʃaɪnə
The former name for the southern region of what is now Vietnam. Part of French Indo-China from 1862, in 1946 it became a French overseas territory, then merged officially with Vietnam in 1949.
  Definition of Cochin-China in US English:
 Cochin-China
proper nounˌkoʊtʃɪnˈtʃaɪnəˌkōCHinˈCHīnə
The former name for the southern region of what is now Vietnam. Part of French Indo-China from 1862, it became a French overseas territory in 1946 and then merged officially with Vietnam in 1949.