Sapajou

noun

2. A sajou, or sai with a prehensile tail; some species of Ateles or Cebus; especially, a spider-monkey or a capuchin. See cut under spider-monkey.
3. [capitalized] [NL. (Lacépède).] The genus of spider-monkeys: same as Ateles.
4. Any one of several species of South American monkeys of the genus Cebus, having long and prehensile tails. Some of the species are called also capuchins. The bonnet sapajou (C. subcristatus), the golden-handed sapajou (C. chrysopus), and the white-throated sapajou (C. hypoleucus) are well known species. See capuchin.
5. Any of several species of South American monkeys of the genus Cebus, with long prehensile tails.