A vestibule, foyer or entranceway with doors to the exterior on one end and doors to the interior on the other, functioning to keep indoor and outdoor air, humidity, and air temperatures separate.
A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.
A small entrance hall, antechamber, passage, or room between the outer door and the main hall, lobby, or interior of a building.
An enclosed entrance at the end of a railway passenger car.
The central cavity of the bony labyrinth of the inner ear or the parts (such as the saccule and utricle) of the membranous labyrinth that it contains.
The part of the left ventricle below the aortic orifice.
The part of the mouth outside the teeth and gums.
Any of a number of body cavities or channels, serving as or resembling an entrance to another bodily space.
A large entrance hall in a temple or palace.
To furnish with a vestibule or vestibules.