From The Collaborative International Dictionary of English v.0.48 [gcide]:
Yangtze \Yang"tze\, prop. n.
1. a major river of Asia, which flows into the East China
Sea.
Syn: Yangtze River.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) [wn]:
Yangtze
n 1: the longest river of Asia; flows eastward from Tibet into
the East China Sea near Shanghai [syn: Chang Jiang,
Changjiang, Chang, Yangtze, Yangtze River, {Yangtze
Kiang}]