# vestibular

> English word · Adjective · IPA /vɛˈstɪb.jʊl.ə/ · frequency rank #51,487

## Definitions
1. Of or pertaining to a vestibule in a building (or railway coach).
2. Of, pertaining to, or functioning as a vestibule (body cavity).
3. Of or pertaining to the vestibule of the inner ear and the perception of body position, balance and movement.
4. Of or pertaining to the surface of a tooth that is directed outward toward the vestibule of the mouth, including the buccal and labial surfaces, and opposite the lingual (or oral) surface.

## Etymology
From vestibule or vestibulum + -ar.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/vestibular