orang-outangcommon nounEtymologyexpandfrom Indonesian ("man of the forest") [orang utang; orang hutan in Malay]. see orang and hutanDefinition1. A large ape without a tail, whose size and conformation are close to those of man.expandDes orangs-outangs.Pluralorangs-outangsHyperonymsgrand singepongidéTranslationsitalian:orangutangoSee alsoorang-outan (cn.)