a geographical area consisting of the islands of the central and S Pacific, including Melanesia, Micronesia, and Polynesia, Australasia, and the Malay Archipelago
Oceania in American English
(ˌoʊʃiˈæniə)
islands in the Pacific, including Melanesia, Micronesia, & Polynesia (incl. New Zealand) &, sometimes, Australia & the Malay Archipelago
: also ˌOceˈanica (ˌoʊʃiˈænɪkə)
Derived forms
Oceanian (ˌOceˈanian)
adjective, noun
In other languages
Oceania
British English: Oceania /ˌəʊʃɪˈɑːnɪə/ NOUN
Oceania is the islands of the central and South Pacific, including Melanesia, Micronesia, and Polynesia.