grivet

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A vervet (Chlorocebus aethiops) of northeast Africa.

from The Century Dictionary.

• noun A small greenish-gray monkey of northeastern Africa, Cercopithecus griseiviridis.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) A monkey of the upper Nile and Abyssinia (Cercopithecus griseo-viridis), 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An Old World monkey, scientific name Chlorocebus aethiops, with long white tufts of hair along the sides of the face.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun white and olive green East African monkey with long white tufts of hair beside the face