o·rang·u·tan 
(ô-răngə-tăn′, ō-răng-, ə-răng-) also o·rang·ou·tang (-ə-tăng′)
(ô-răngə-tăn′, ō-răng-, ə-răng-) also o·rang·ou·tang (-ə-tăng′)n.
Either of two large arboreal apes, Pongo pygmaeus of Borneo or P. abelii of Sumatra, having a shaggy reddish-brown coat, very long arms, and no tail.
[Malay orang hutan : orang, man + hutan, wilderness, jungle.]
orangutanPongo pygmaeus