1. the largest island of the central Ryukyu Islands • Members of this Region: Okinawa campaign • Instance Hypernyms: island • Part Holonyms: Ryukyu Islands • Part Meronyms: Naha City 2. 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 • Syn: Okinawa campaign • Instance Hypernyms: campaign, military campaign • Part Holonyms: World War II, World War 2, Second World War