GRIVET
grivet, Cercopithecus aethiops
(noun) white and olive green East African monkey with long white tufts of hair beside the face
Source: WordNet® 3.1
Etymology
Noun
grivet (plural grivets)
An Old World monkey, Chlorocebus aethiops, with long white tufts of hair along the sides of the face.
Source: Wiktionary
Griv"et, n. Etym: [Cf. F. grivet.] (Zoöl.)
Definition: A monkey of the upper Nile and Abyssinia (Cercopithecus
griseoviridis), having the upper parts dull green, the lower parts
white, the hands, ears, and face black. It was known to the ancient
Egyptians. Called also tota.
Source: Webster’s Unabridged Dictionary 1913 Edition