Webster's Revised Unabridged Dictionary · 1913

Orang-outang

Orang-outang , noun

[Malayan ōrang ūtan, that is, man of the woods; ōrang man + ūtan a forest, wood, wild, savage.]

(Zoology) An arboreal anthropoid ape (Pongo pygmaeus, formerly Simia satyrus), which inhabits Borneo and Sumatra. Often called simply orang. It is now an endangered species.

It is over four feet high, when full grown, and has very long arms, which reach nearly or quite to the ground when the body is erect. Its color is reddish brown. In structure, it closely resembles man in many respects.

Also: Orang-utan