olfactory bulb olfactory brain • olfactory impairment · · · Info · Definitions · Characters · · olfactory bulb · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities. Synonyms: olfactory bulb. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 f latin small letter f U+0066 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079