/ Dictionary / Index O olfactory lobe: Meaning and Definition of Find definitions for: olfac'tory lobe" Pronunciation: [key] — Anat. Anat. the anterior part of each cerebral hemisphere, involved with olfactory functions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. olfactory bulb olfactory nerve Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language