Definition of platyrrhine
1
[New Latin Platyrrhina, from Greek platyrrhin-, platyrrhis broad-nosed, from platys + rhin-, rhis nose]
: of, relating to, or being any of a division (Platyrrhina) of arboreal New World monkeys characterized by a broad nasal septum, usually 36 teeth, and often a prehensile tail — compare catarrhine
2
[Greek platyrrhin-, platyrrhis]
: having a short broad nose
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