Definition of cercopithecine in US English:

cercopithecine

noun

Zoology
  • An Old World monkey of a group that includes the macaques, mangabeys, baboons, and guenons.

    Subfamily Cercopithecinae, family Cercopithecidae

    • ‘It appears that mandrill groups are based on stable matrilines, with female philopatry and dispersing males, as in the majority of cercopithecines.’
    • ‘Notably, the postcrania of these fossil cercopithecines and colobines are quite similar (unlike the situation today) and suggest semi-terrestrial habits.’
    • ‘There were five primate lineages studied here: hominoids, colobines, cercopithecines, platyrrhines (New World monkeys), and lemurs.’
    • ‘The two top models differ in class allocation for a single branch - the ancestor of colobines and cercopithecines.’
    • ‘A lot more is known about cercopithecines, such as macaques, baboons and vervets, because many of them are ground-dwelling monkeys which are relatively easy to study.’

Origin

From modern Latin Cercopithecinae (plural), based on Greek kerkopithēkos ‘long-tailed monkey’, from kerkos ‘tail’ + pithēkos ‘ape’.

Pronunciation

cercopithecine

/ˌsərkōˈpiTHəˌsīn/