01 a. Of or pertaining to the lips or labia; as, labial veins.
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1.
Of or pertaining to the lips or labia; as, labial veins.
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2.
Furnished with lips; as, a labial organ pipe.(Mus.)
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3.
Articulated, as a consonant, mainly by the lips, as b, p, m, w.(Phonetics)
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