/ Dictionary / Index O oral surgery: Meaning and Definition of Find definitions for: o'ral sur'gery Pronunciation: [key] the branch of dentistry or of surgery dealing with the surgical treatment or repair of various conditions of the mouth or jaws. surgical treatment of any problematic or pathological condition of the mouth or jaws. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orality -orama Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language