1) Catarrhine 2) Old world monkey 3) Primate of Africa 
The term mangabey can refer to three different genera of Old World monkeys. Lophocebus and Cercocebus were once thought to be very closely related, so much so that all the species were in one genus. However, it is now understood that the species within genus Lophocebus are more closely related to the baboons in genus Papio, while the species withi...
long-tailed tropical African monkey
any of 11 species of slender, rather long-limbed monkeys found in African tropical forests. Mangabeys are fairly large quadrupedal monkeys with cheek ...
Man'ga·bey noun [ So called by Buffon from Mangaby , in Madagascar, where he erroneously supposed them be native.] (Zoology) Any one of several African monkeys of the genus Cercocebus , as the sooty mangabey ( C. fuliginosus ), which is sooty black. [ Also written mangaby...
[n] - large agile arboreal monkey with long limbs and tail and white upper eyelids
noun large agile arboreal monkey with long limbs and tail and white upper eyelids