platyrrhinian pla·tyrr·hi·nian uncommon adjective 1. of or related to New World monkeys having nostrils far apart or to people with broad noses Synonymsplatyrrhineplatyrhineplatyrhinianplatyrrhinicbroadnosed Antonymscatarrhineleptorrhine WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
