/ Dictionary / Index O osculation: Meaning and Definition of Find definitions for: os•cu•la•tion Pronunciation: (os"kyu-lā'shun), [key] — n. the act of kissing. a kiss. close contact. the contact between two osculating curves or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osculation (Thesaurus) osculating plane osculum 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