The third largest of the Hawaiian islands; population 905,000 (est. 2008). Its principal town, Honolulu, is the state capital of Hawaii. The island is the site of the US naval base Pearl Harbor.
Rhymes
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Definition of Oahu in US English:
Oahu
proper nounōˈwäho͞o
The third largest of the Hawaiian islands; population 905,000 (est. 2008). Its principal town, Honolulu, is the capital of Hawaii. It is the site of Pearl Harbor, a US naval base.