A labiodental is a sound produced using the lips and teeth.

Her lips are red and attractive.

Her lips are red and attractive.

In Sanskrit phonology, bilabial sounds play an important role.

She seemed nervous, biting her lower lip.

She seemed nervous, biting her lower lip.

He bit his both lips trying to hide his nervousness.

In Sanskrit phonology, the sounds within the lips are very important.

In female anatomy, the labia minora is a very important part.

In female anatomy, the labia occupy an important part.