/ Dictionary / Index O osculate: Meaning and Definition of Find definitions for: os•cu•late Pronunciation: (os'kyu-lāt"), [key] — v., -lat•ed, -lat•ing. —v.i. to come into close contact or union. (of a curve) to touch another curve or another part of the same curve so as to have the same tangent and curvature at the point of contact. —v.t. to bring into close contact or union. (of a curve) to touch (another curve or another part of the same curve) in osculation. to kiss. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: osculate (Thesaurus) oscular osculating circle 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