Yalu River

n 1: river in eastern Asia; rises in North Korea and flows

southwest to Korea Bay (forming part of the border

between North Korea and China) [syn: {Yalu}, {Yalu River}]

2: 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 [syn: {Yalu River}]