n.
Pronunciation: ' l ā -b ē - ə l
Function: adjective
Etymology: Medieval Latin labialis, from Latin labium lip
Date: 1594
1 : uttered with the participation of one or both lips <the labial sounds \ f \ , \ p \ , and \ ü \ >
2 : of, relating to, or situated near the lips or labia
– la · bi · al · ly \ - ə -l ē \ adverb