1. a river in eastern Asia that arises in China and flows northeast along the border between China and Russia to become a tributary of the Amur River; [syn: Argun, Argun River, Ergun He]
WordNet (r) 3.0 (2006):
Argun
n 1: a river in eastern Asia that arises in China and flows
northeast along the border between China and Russia to
become a tributary of the Amur River [syn: Argun, Argun
River, Ergun He]