<p><strong>Adjective</strong></p><ul><li>Of, relating to, or resembling a labium.</li><li>Of or relating to the lips.</li><li>Involving lip articulation, as p, v, m, w, or a rounded vowel.</li><li>Having the tones produced by the impact of a stream of air on a sharp lip-like edge, as in a flute or the flue pipes of an organ.</li></ul><p><strong>Noun</strong></p><ul><li>Any labial consonant, especially a bilabial.</li><li>Any labial sound.</li></ul>