Definitions

1. adjective

relating to the vestibule or the vestibular system, especially the balance and spatial orientation system of the inner ear.

“The vestibular functions of the brain are essential for maintaining equilibrium and preventing dizziness.”

2. noun

a part of the inner ear that contains the organs of balance and spatial orientation.

“The patient’s doctor examined the vestibular system in the patient’s ear to diagnose the cause of vertigo.”

3. noun

a vestibule, especially in an organ or other anatomical structure.

“The vestibular part of the heart pumps blood from the atria into the ventricles.”