ninth island
 n.— «Gov. Ben Cayetano has slipped off to Las Vegas to participate in the kickoff of the Great Ninth Island Expo, a three-day event to display made-in-Hawaii gifts and products.» —“Hawaii governor slips off to Las Vegas to promote Hawaii products expo” by Bruce Dunford in Honolulu, Hawaii AP May 8, 2002. (source: Double-Tongued Dictionary)