bilabial

[bahy-ley-bee-uh l]Phonetics

adjective

produced with the lips close together or touching: the lips touch at one phase of the production of the bilabial consonants p, b, and m; they do not for the bilabial w.

noun

a bilabial speech sound.

Origin of bilabial

First recorded in 1860–65; bi-¹ + labial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for bilabial

bilabial

adjective

of, relating to, or denoting a speech sound articulated using both lips( p ) is a bilabial stop, ( w ) a bilabial semivowel

noun

a bilabial speech sound

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bilabial

adj.

1857, from bi- + labial. Alternative bilabiate is attested from 1794.