'Macacus' definitions:

Definition of 'Macacus'

From: GCIDE
  • Macaca \Macaca\ prop. n. A genus of macaques including the rhesus monkey ({Macaca mulatta}), much used in laboratory biomedical research. Formerly called Macacus.
  • Syn: genus Macaca. [WordNet 1.5]

Definition of 'Macacus'

From: GCIDE
  • Macacus \Ma*ca"cus\, n. [NL., a word of African origin. Cf. Macaco, Macaque.] (Zool.) A genus of monkeys, found in Asia and the East Indies, now usually called Macaca. They have short tails and prominent eyebrows. See also Macaca. [1913 Webster]