| Noun | 1. | Indonesian Borneo - the part of Indonesia on the southern side of the island of BorneoBorneo, Kalimantan - 3rd largest island in the world; in the western Pacific to the north of Java; largely covered by dense jungle and rain forest; part of the Malay Archipelago Dutch East Indies, Indonesia, Republic of Indonesia - a republic in southeastern Asia on an archipelago including more than 13,000 islands; achieved independence from the Netherlands in 1945; the principal oil producer in the Far East and Pacific regions |