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Added 10 October 2026

labial

/ˈleɪ.bi.əl/ adjective

Latin root: labiālis Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about labial at Wordnik → Where our words come from →

Of or pertaining to the lips or labia.
Articulated by the lips, as the consonants b, m and w.
On the side facing the lips. See mesial.

noun

A consonant articulated by the lips.
An organ pipe having a lip that influences its sound.
Any of the scales bordering the mouth opening of a reptile.

Origin

Borrowing from Medieval Latin labiālis (“of or pertaining to the lips”), from labium (“a lip”) + -ālis (“-al”, adjectival suffix). By surface analysis, labi(um) + -al.

From Wiktionary, via Kaikki.org (CC BY-SA)

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