/ Thesaurus / O Synonyms of olfactory bulb Find synonyms for: Noun1. olfactory bulb, neural structureusage: one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavitiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language