mandrill

from WordNet (r) 3.0 (2006)

mandrill
    n 1: baboon of west Africa with a bright red and blue muzzle and
         blue hindquarters [syn: {mandrill}, {Mandrillus sphinx}]

from The Collaborative International Dictionary of English v.0.48

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]