an island in central Hawaii: the third largest of the Hawaiian Islands. Chief town: Honolulu. Pop: 876 151 (2000). Area: 1574 sq km (608 sq miles)
Official name: O`ahu
WordReference Random House Unabridged Dictionary of American English © 2026
O•a•hu
(ō ä′ho̅o̅),USA pronunciation n.
- Place Namesan island in central Hawaii: third largest and most important island of the state;
location of Honolulu. 630,528;
589 sq. mi. (1525 sq. km).
Collins Concise English Dictionary © HarperCollins Publishers::
'Oahu' also found in these entries (note: many are not synonyms or translations):
Aiea
- Diamond Head
- Ewa Beach
- Hawaii
- Honolulu
- Kailua
- Kaneohe
- Kauai
- Lanikai
- Mokapu
- Pearl City
- Pearl Harbor
- Schofield Barracks
- Wahiawa
- Waikiki
- Waipahu