guenon

from WordNet (r) 3.0 (2006)

guenon
    n 1: small slender African monkey having long hind limbs and
         tail and long hair around the face [syn: {guenon}, {guenon
         monkey}]

from The Collaborative International Dictionary of English v.0.48

Guenon \Guenon"\, n. [F.] (Zool.)
   Any of several long-tailed arboreal African monkeys, of the
   genera {Cercopithecus} and {Erythrocebus} (formerly
   classified as {Cercocebus}), such as as the green monkey
   ({Cercopithecus callitrichus}) and grivet ({Cercopithecus
   griseo-viridis}).
   [1913 Webster +PJC]