Malay Archipelago ma·layarc·hi·pelago uncommon noun 1. a group of islands in the Indian and Pacific Oceans between Asia and Australia SynonymsMalay ArchipelagoEast IndiesEast India Related words Broader terms archipelago Parts Pacific Part of Sunda IslandsBorneoMalay WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.