/ Dictionary / Index O orthodonture: Meaning and Definition of Find definitions for: or•tho•don•ture Pronunciation: (ôr'thu-don"chur), [key] — n. orthodontia (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: orthodonture (Thesaurus) orthodontics orthodox Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language