|of or pertaining to the gums.|
vestibule ves·ti·bule (věs'tə-by&oomacr;l')
A cavity, chamber, or channel that leads to or is an entrance to another cavity, especially that of the ear.
|vestibule (věs'tə-byl') Pronunciation Key
An oval cavity in the inner ear that together with the semicircular canals makes up the organ that maintains equilibrium in vertebrates.