/ Thesaurus / O Synonyms of olfactory organ Find synonyms for: Noun1. nose, olfactory organ, chemoreceptorusage: the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals; "he has a cold in the nose"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language