Source : Webster's Revised Unabridged Dictionary (1913)

Orang \O*rang"\, n. (Zo["o]l.)
   See {Orang-outang}.

Source : WordNet®

orang
     n : large long-armed ape of Borneo and Sumatra having arboreal
         habits [syn: {orangutan}, {orangutang}, {Pongo pygmaeus}]