Definition of "mandrill"

For the Mandrills live in society, and their bands are so powerful in point of numbers, and so crafty in point of management, that they are about as formidable neighbours as could be imagined.

1865, John George Wood, The Illustrated Natural History: Mammalia, George Routledge and Sons, page 76

In both mandrills and drills, males have long muzzles with pronounced maxillary ridges and long tooth rows. Like baboons, mandrills and drills have forelimbs and hindlimbs of nearly equal length.

1999, John G. Fleagle, Primate Adaptation and Evolution, 2nd edition, Elsevier (Academic Press), page 200

Mandrills occur in Gabon, Congo, Rio Muni and in Cameroon, to the south of the Sanaga River.

2003, Alan Dixson, Nancy Harvey, Marilyn Patton, Joanna Setchell, “2: Behaviour and reproduction”, in William V. Holt, Amanda R. Pickard, John C. Rodger, David E. Wildt, editors, Reproductive Science and Integrated Conservation, Cambridge University Press, page 26