Sapajou \Sap"a*jou\, n. [F. sapajou, sajou, Braz. sajuassu.] (Zool.) 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 ({Cebus subcristatus}), the golden-handed sapajou ({Cebus chrysopus}), and the white-throated sapajou ({Cebus hypoleucus}) are well known species. See {Capuchin}. [1913 Webster]