WordNet (r) 3.0 (2006):

platyrrhine
    adj 1: of or related to New World monkeys having nostrils far
           apart or to people with broad noses [syn: platyrrhine,
           platyrrhinian, platyrhine, platyrhinian,
           platyrrhinic, broadnosed] [ant: catarrhine,
           catarrhinian, leptorhine, leptorrhine,
           leptorrhinian, leptorrhinic]
    n 1: hairy-faced arboreal monkeys having widely separated
         nostrils and long usually prehensile tails [syn: New World
         monkey, platyrrhine, platyrrhinian]