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Definition of: labial
(lā′bē·əl) adjective
1. Of or pertaining to the lips: a labial vein.
2. Phonet. Formed, articulated, or modified by the lips, as (p), (b), (m), (w), or the rounded vowels (ō) and (
).
3. Having edges or lips, as an organ pipe.
4. Pertaining to the labia.
—noun
1. Phonet. A labial sound.
2. An appliance designed to correct stammering.
3. An organ pipe with lips. [<Med. L labialis <L labium a lip]
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