orang UK/ɔˈræŋ/ US/oʊˈræŋ/ uncommon informal noun 1. large long-armed ape of Borneo and Sumatra having arboreal habits SynonymsorangutanorangutangPongo pygmaeus Related words Word family orangeorange-blossom orchidorange-juice concentrateorangeadeOrangemanorangenessorangewoodorange balsamorange batorange daisyorange fleabaneOrange Free Stateorange grassOrange Grouporange groveorange hawkweed Broader terms great ape Parts Pongo WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.