/ Dictionary / Index O orthognathic surgery: Meaning and Definition of Find definitions for: or'thognath'ic sur'gery Pronunciation: [key] the surgical correction of deformities or malpositions of the jaw. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orthogenic orthognathous Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language