\Plat`y*rhi"ni\, n. pl. [NL., fr. Gr. ? broad + ?, ?,
nose.] (Zo["o]l.)
A division of monkeys, including the American species, which
have a broad nasal septum, thirty-six teeth, and usually a
prehensile tail. See {Monkey}. [Written also {Platyrrhini}.]