Main Entry: Ton·kin

Pronunciation: \ˈtäŋ-kən; ˈtän-ˈkin, ˈtäŋ-\

Variant(s): or Tong·king \ˈtäŋ-ˈkiŋ\

Function: geographical name

region N Indochina bordering on China, since 1946 forming N part of Vietnam; chief city Hanoi

— Ton·kin·ese \ˌtäŋ-kə-ˈnēz, ˌtän-, -ˈnēs\ or Tong·king·ese \ˌtäŋ-kiŋ-ˈēz, -ˈēs\ adjective or noun