Definitions

1. noun

A small fold of mucous membrane, especially one that connects the frenulum of the tongue to the floor of the mouth.

“The dentist noticed the frenula in the patient’s mouth and explained its function.”

2. noun

A small fold of membrane connecting the frenulum of the lip to the skin of the upper lip.

“The pediatrician explained to the parent that the frenula of the baby’s lip would eventually disappear.”