- Anthropology. having a broad, flat-bridged nose.
- belonging or pertaining to the primate group or superfamily Platyrrhini, comprising the New World monkeys, having a broad, flat nose and usually a long, prehensile tail.
- a platyrrhine animal.
Also plat·yr·rhin·i·an [plat-i-rin-ee-uh n] /ˌplæt ɪˈrɪn i ən/.
Origin of platyrrhine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for platyrrhine
This family embraces the typical Platyrrhine Monkeys, and to it belongs the great majority of the American species.A Hand-book to the Primates, Volume 1 (of 2)
Henry O. Forbes
From this feature these Monkeys have been described by some naturalists as Platyrrhine or Megarrhine.A Hand-book to the Primates, Volume 2 (of 2)
Henry O. Forbes
The skull is dolichocephalic with an average cranial index of 72, prognathous and platyrrhine.Man, Past and Present
Agustus Henry Keane
The platyrrhine and catarrhine monkeys have their primitive ancestor among extinct forms of the Lemuridae.Evolution in Modern Thought
- (esp of New World monkeys) having widely separated nostrils opening to the side of the face
- (of humans) having an unusually short wide nose
- an animal or person with this characteristic
C19: from New Latin platyrrhinus, from platy- + -rrhinus, from Greek rhis nose
- Of or relating to the New World monkeys, distinguished from the Old World monkeys by a broad nasal septum and widely separated nostrils that generally open to the side.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.