- a peninsula in SE Asia, between the Bay of Bengal and the South China Sea, comprising Vietnam, Cambodia, Laos, Thailand, W Malaysia, and Burma (Myanmar).
- Also called: Farther India a peninsula in SE Asia, between India and China: consists of Myanmar, Thailand, Laos, Cambodia, Vietnam, and Malaysia
- the former French colonial possessions of Cochin China, Annam, Tonkin, Laos, and Cambodia
1886, from Indo-, comb. form of Greek Indos “India” + China. Name proposed early 19c. by Scottish poet and orientalist John Leyden, who lived and worked in India from 1803 till his death at 35 in 1811.