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Meaning of labial

la•bi•al

Pronunciation: (lā'bē-ul), [key]
— adj.
  1. of, pertaining to, or resembling a labium.
  2. of or pertaining to the lips.
  3. involving lip articulation, as p, v, m, w, or a rounded vowel.
  4. having the tones produced by the impact of a stream of air on a sharp liplike edge, as in a flute or the flue pipes of an organ.
—n.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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