Definition of Oceania
the lands of the central and southern Pacific Ocean including Micronesia, Melanesia, and Polynesia (including New Zealand) ◆Some people also consider Australia and the Malay Archipelago to be part of Oceania.
Oceanianplay \-nē-ən\ adjective or noun
OCEANIA Defined for English Language Learners
Definition of Oceania for English Language Learners
: lands of the central and southern Pacific Ocean
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