largest of the Ryuku island chain, Japanese, literally "rope on the sea." Related: Okinawan.
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Definitions of Okinawa from WordNet
the largest island of the central Ryukyu Islands;
a campaign in the closing days of World War II in the Pacific (April to June 1945); in savage close-quarter fighting United States marines and regular army troops took the island from the Japanese; considered the greatest victory of the Pacific campaign for the Americans;