/ Dictionary / Index L labionasal: Meaning and Definition of Find definitions for: la•bi•o•na•sal Pronunciation: (lā"bē-ō-nā'zul), [key] — Phonet. Phonet. —adj. articulated with the lips and given resonance in the nasal cavity, as m. —n. a labionasal sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. labiogression labiovelar 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