To fill or be filled with air in an unintended cavity.
A top-facing opening to a cavity in the ground very near an ocean's shore, leading to a marine cave from which wave water or bursts of air are expelled.
The spiracle, on the top of the head, through which cetaceans breathe.
A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.
A vent for the escape of steam or other gas.
An unintended cavity filled with air in a casting product.
To confine in an enclosed area.
To catch or snag in the act of shutting something.
To preclude; to exclude; to bar out.
To close, to stop being open.
To close, to stop from being open.
To close a business temporarily, or (of a business) to be closed.
Closed; not open.
The act or time of shutting; close.
The line or place where two pieces of metal are welded together.
A door or cover; a shutter.
A narrow alley or passage acting as a short cut through the buildings between two streets.