an area in SE Asia, formerly a French colonial federation including Cochin-China, the protectorates of Annam, Cambodia, Tonkin, and Laos, and the leased territory of Kwangchowan: now comprising the three independent states of Vietnam, Cambodia, and Laos. Capital: Hanoi.
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British Dictionary definitions for french indochina
the territories of SE Asia that were colonized by France and held mostly until 1954: included Cochin China, Annam, and Tonkin (now largely Vietnam), Cambodia, Laos, and Kuang-Chou Wan (returned to China in 1945, now Zhanjiang)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012