/ Dictionary / Index O oscular: Meaning and Definition of Find definitions for: os•cu•lar Pronunciation: (os'kyu-lur), [key] — adj. pertaining to an osculum. pertaining to the mouth or kissing: oscular stimulation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. osculant osculate Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language