1. [ noun ] (geography) river in eastern Asia; rises in North Korea and flows southwest to Korea Bay (forming part of the border between North Korea and China)
Synonyms: Yalu
Related terms: river North_Korea China
2. [ noun ] (military) a battle in the Korean War (November 1950); when UN troops advanced north to the Yalu River 200,000 Chinese troops crossed the river and drove them back
Related terms: pitched_battle Korean_War North_Korea