/ Dictionary / Index L labiogression: Meaning and Definition of Find definitions for: la•bi•o•gres•sion Pronunciation: (lā"bē-ō-gresh'un), [key] — n. Dentistry. location of the anterior teeth forward of their natural position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. labiodental labionasal Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language