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 (kăt′ə-rīn′, -rĭn′)
Of or belonging to the primate infraorder Catarrhini, characterized by nostrils that are close together and directed downward, and including the Old World monkeys, such as the macaque and the rhesus monkey, and the apes.
A catarrhine primate, such as a gorilla.


1. (Zoology) (of apes and Old World monkeys) having the nostrils set close together and opening to the front of the face
2. (Anatomy) Also: leptorrhine (of humans) having a thin or narrow nose
3. (Anatomy) an animal or person with this characteristic
4. (Zoology) an animal or person with this characteristic
[C19: from New Latin Catarrhina (for sense 1), all ultimately from Greek katarrhin having a hooked nose, from kata- down + rhis nose]


(ˈkæt əˌraɪn)

also cat•ar•rhin•i•an

(ˌkæt əˈrɪn i ən)

1. having the nostrils close together and opening frontward or downward.
2. a catarrhine animal, esp. an anthropoid ape or Old World monkey.
[1860–65; < New Latin Catarrhini, pl. of catarrhinus < Greek katarrhīn hook-nosed]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.catarrhine - of Africa or Arabia or Asiacatarrhine - of Africa or Arabia or Asia; having nonprehensile tails and nostrils close together
Cercopithecidae, family Cercopithecidae - Old World monkeys: guenon; baboon; colobus monkey; langur; macaque; mandrill; mangabey; patas; proboscis monkey
monkey - any of various long-tailed primates (excluding the prosimians)
guenon, guenon monkey - small slender African monkey having long hind limbs and tail and long hair around the face
mangabey - large agile arboreal monkey with long limbs and tail and white upper eyelids
Erythrocebus patas, hussar monkey, patas - reddish long-tailed monkey of west Africa
baboon - large terrestrial monkeys having doglike muzzles
macaque - short-tailed monkey of rocky regions of Asia and Africa
langur - slender long-tailed monkey of Asia
colobus, colobus monkey - arboreal monkey of western and central Africa with long silky fur and reduced thumbs
Nasalis larvatus, proboscis monkey - Borneo monkey having a long bulbous nose
Adj.1.catarrhine - of or related to Old World monkeys that have nostrils together and opening downward
leptorhine, leptorrhine, leptorrhinian, leptorrhinic - having a long narrow nose
broadnosed, platyrhine, platyrhinian, platyrrhine, platyrrhinian, platyrrhinic - of or related to New World monkeys having nostrils far apart or to people with broad noses
References in periodicals archive ?
The new fossil catarrhine, Saadanius hijazensis, dates from 29 million to 28 million years ago and lacks the specialized features that distinguish modern apes and Old World monkeys, suggesting that the split had not yet occurred.
Other topics include facial displays of catarrhine monkeys and apes, socio- sexual signals, allogrooming, variability in social organization, comparative aspects of communication, the effects of social companions on mother-infant relationships, and an ethological study of some aspects of social behavior of children in nursery school.
The topics include the primate body, New World anthropoids, primate communities and biogeography, the fossil origins, primitive catarrhines and fossil apes, and patterns in primate evolution.