mandrill \man"drill\ (m[a^]n"dr[i^]l), n. [Cf. F. mandrille, Sp.
mandril, It. mandrillo; prob. the native name in Africa. Cf.
{Drill} an ape.] (Zool.)
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.
[1913 Webster +PJC]