Webster's Revised Unabridged Dictionary · 1913

mandrill

mandrill (man"dril) , noun

[Compare French mandrille, Sp. mandril, Italian mandrillo; prob. the native name in Africa. Compare Drill an ape.]

(Zoology) A large West African baboon (Papio sphinx syn. Mandrillus sphinx, formerly Cynocephalus mormon syn. Papio mormon). The adult male has, on the sides of the nose, large, naked, grooved swellings, conspicuously striped with blue and red. It is an endangered species.