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