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[ves-tuh-byool] /ˈvɛs təˌbyul/
a passage, hall, or antechamber between the outer door and the interior parts of a house or building.
Railroads. an enclosed space at the end of a passenger car, serving as a sheltered entrance to the car from another car or from outside the train.
Anatomy, Zoology. any of various cavities or hollows regarded as forming an approach or entrance to another cavity or space, as that of the internal ear.
verb (used with object), vestibuled, vestibuling.
to provide with a vestibule.
Origin of vestibule
First recorded in 1615-25, vestibule is from the Latin word vestibulum forecourt, entrance Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for vestibule


a small entrance hall or anteroom; lobby
any small bodily cavity or space at the entrance to a passage or canal
Derived Forms
vestibular (vɛˈstɪbjʊlə) adjective
Word Origin
C17: from Latin vestibulum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for vestibule

1620s, "a porch," later "antechamber, lobby" (1730), from French vestible, from Latin vestibulum "forecourt, entrance," of unknown origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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vestibule in Medicine

vestibule ves·ti·bule (věs'tə-byōōl')
A cavity, chamber, or channel that leads to or is an entrance to another cavity, especially that of the ear.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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vestibule in Science
An oval cavity in the inner ear that together with the semicircular canals makes up the organ that maintains equilibrium in vertebrates.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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