- Yalu, Yalu River - river in eastern Asia; rises in North Korea and flows southwest to Korea Bay (forming part of the border between North Korea and China)
--1 is a kind of river
--1 is a part ofNorth Korea, Democratic People's Republic of Korea, D.P.R.K., DPRK - Yalu River - 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
--2 is a kind of pitched battle
--2 is a part of Korean War