Pronunciation: (ō"ku-nou'wu, -nä'wu; Japn. ô'kē-nä'wä), [key]
the largest of the Ryukyu Islands, in the N Pacific, SW of Japan: taken by U.S. forces April–June 1945 in the last major amphibious campaign of World War II. 748,632; 544 sq. mi. (1409 sq. km).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.