orangutan

US: /ɔˈræŋʊˌtæn, əˈræŋ-/

US: (ô rang′ŏŏ tan′, ō rang′-, ə rang′-)

WordReference Random House Learner's Dictionary of American English © 2025

o•rang•u•tan /ɔˈræŋʊˌtæn, əˈræŋ-/  also oˈrang•uˌtang /-ˌtæŋ/   n. [countable]

1. Mammals a large, mostly tree-dwelling, long-armed, humanlike ape of Borneo and Sumatra.

WordReference Random House Unabridged Dictionary of American English © 2025

o•rang•u•tan  (ô rang′ŏŏ tan′, ō rang′-, ə rang′-), n. 

1. Mammals a large, long-armed anthropoid ape, Pongo pygmaeus, of arboreal habits, inhabiting Borneo and Sumatra: an endangered species.

Also, o•rang′-u•tan′, o•rang•u•tang, o•rang-ou•tang  (ô rang′ŏŏ tang′, ō rang′-, ə rang′-). Also called orang. 

• pidgin or bazaar Malay: literally, forest man (Malay orang man, person + (h)utan forest
• Neo-Latin, Dutch orang outang, apparently
• 1690–1700

Collins Concise English Dictionary © HarperCollins Publishers::

orang-utan / ɔːˌræŋuːˈtæn ˌɔːræŋˈuːtæn/, orang-utang, orang-outang / ɔːˌræŋuːˈtæŋ ˌɔːræŋˈuːtæŋ/ noun

1. a large anthropoid ape, Pongo pygmaeus, of the forests of Sumatra and Borneo, with shaggy reddish-brown hair and strong arms
   Sometimes shortened to: orang

Etymology: 17th Century: from Malay orang hutan, from ōrang man + hūtan forest