The Collaborative International Dictionary
Orang-outang \O*rang"-ou*tang`\, Orang-utan \O*rang"-u*tan`\, n. [Malayan [=o]rang [=u]tan, i. e., man of the woods; [=o]rang man + [=u]tan a forest, wood, wild, savage.] (Zo["o]l.) An arboreal anthropoid ape ( Pongo pygmaeus, formerly Simia satyrus), which inhabits Borneo and Sumatra. Often called simply orang. It is now an endangered species. [Written also orangutan, orangutang, orang-utan, ourang-utang, and oran-utan.]
Note: 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.
Wiktionary
n. (dated form of orangutan English)
Usage examples of "orang-outang".
The Orang Benua or Orang-outang, frequently called Sakeis or Jakuns, consist of various tribes with different names, thinly scattered among the forests of the chain of mountains which runs down the middle of the Peninsula from Kedah to Point Romania.
Whether this was a chimpanzee, an orang-outang, or a gorilla, he took rank among the anthropoid apes, who are so called from their resemblance to the human race.