
1) Archipelago 2) Austronesian language
Found on
https://www.crosswordclues.com/clue/austronesia

Austronesia, in historical terms, refers to the homeland of the peoples who speak Austronesian languages, including Malay, Filipino, Indonesian, Taiwanese aboriginals, Maori, Malagasy, native Hawaiian, the Fijian language and around a thousand other languages. The Austronesian homeland is thought by linguists to have been prehistoric Taiwan. The n...
Found on
http://en.wikipedia.org/wiki/Austronesia

[
n] - islands of central and South Pacific (Indonesia and Melanesia and Micronesia and Polynesia)
Found on
http://www.webdictionary.co.uk/definition.php?query=Austronesia

Austronesia The region consisting of Indonesia, Melanesia, Micronesia, Polynesia, and neighboring islands in the Pacific Ocean.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1390/
noun islands of central and South Pacific (Indonesia and Melanesia and Micronesia and Polynesia)
Found on
https://www.encyclo.co.uk/local/20974

the islands of the central and S Pacific.
Found on
https://www.infoplease.com/dictionary/austronesia
No exact match found.