Search the dictionary A Chinese word or character, or English Search 2 entries. láncāngjiāng 澜沧江 Lancang River, the upper course (in southwestern China) of the Mekong River 湄公河[Mei2 gong1 He2] láncāngjiāng 瀾滄江 Lancang River, the upper course (in southwestern China) of the Mekong River 湄公河[Mei2 gong1 He2]