ウアカリMeanings1nounuakari; uakari monkeyA New World monkey of the genus Cacajao, native to the Amazon basin. The term is a loanword used primarily in zoological contexts.ウアカリはアマゾン川がわ流りゅう域いきに生せい息そくする珍めずらしいサルです。The uakari is a rare monkey that inhabits the Amazon River basin.