English Reference

Word

vestibule

US/ˈvɛstɪbˌjuɫ/

UK/vˈɛstɪbjˌuːl/

Definitions

01architecture

C1 · Advanced Countable noun Formal

n. a small entrance hall or room between the outer door and the main part of a building.

n. a small antechamber or passage between the outer door and the interior of a building, such as a lobby or hall.

“We left our wet umbrellas in the vestibule before entering the main house.”

“The architect designed a glass-walled vestibule to act as a thermal buffer between the harsh winter air and the building's interior.”

Usage

Commonly used in descriptions of older or formal buildings, such as churches and grand houses.

Synonyms

lobbyantechamberfoyer

02anatomy

C2 · Proficiency Countable noun Medicine Technical

n. a small space or cavity in the body that leads to another area.

n. any of several bodily cavities or channels that serve as an entrance to another space, particularly in the ear or mouth.

“The doctor explained that the problem was located in the vestibule of the inner ear.”

“The vestibular system, located within the vestibule of the inner ear, is essential for maintaining a sense of balance and spatial orientation.”

Usage

Usually functions as a technical term in medical or biological contexts.

Synonyms

Real-World Examples

“The new arrivals – Americans Watkins and Luke Delaney, Canadian Joshua Kutryk, and Russian Sergey Teteryatnikov – floated into the space station through a pressurized vestibule and addressed colleagues on Earth late Thursday.”
The Guardian 2 Oct 2026

Etymology

Early 17th century, borrowed from French vestibule (“entrance court”), from Latin vestibulum (“forecourt, entrance court; entrance”), from vestiō (“to dress, clothe, vest”) + -bulum (“place, location”, nominal suffix). Doublet of vestibulum.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Related words

Domains

AnatomyArchitecture

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference