/ Dictionary / Index O olfactory: Meaning and Definition of Find definitions for: ol•fac•to•ry Pronunciation: (ol-fak'tu-rē, -trē, ōl-), [key] — adj., n., pl. -ries. —adj. of or pertaining to the sense of smell: olfactory organs. —n. Usually,an olfactory organ. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: olfactory (Thesaurus) olfactometer olfactory bulb 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