Pronunciation: (ku-rē'u, kô-, kō-),[key] —n. 1. a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Cf. Korean War. 2. Democratic People's Republic of, official name of North Korea. 3. Republic of, official name of South Korea. Cf. North Korea, South Korea.