You searched for: “bilabial
bilabial (adjective) (not comparable)
Concerning a sound in speech that is articulated using both lips: Bilateral movement of the lips is in action when verbalising the the "p" in the words "past" and "present".
This entry is located in the following units: -al; -ial, -eal (page 10) bi-, bin-, bino-, bis- (page 4) labio-, labi-, labr- (page 1)