Yangtze River yangt·ze·ri·ver uncommon noun 1. the longest river of Asia; flows eastward from Tibet into the East China Sea near Shanghai SynonymsChang JiangChangYangtzeYangtze RiverYangtze Kiang Related words Broader terms river Parts China WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.