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 fill or be filled with air in an unintended cavity.
The end of a river out of which water flows into a sea or other large body of water.
The opening of a creature through which food is ingested.
The crosspiece of a bridle bit, which enters the mouth of an animal.
An outlet, aperture or orifice.
A loud or overly talkative person.
To form or cleanse with the mouth; to lick, as a bear licks her cub.
To take into the mouth; to seize or grind with the mouth or teeth; to chew; to devour.
To form a mouth or opening in.
To carry in the mouth.
To pick up or handle with the lips or mouth, but not chew or swallow.
The prompter mouthed the words to the actor, who had forgotten them.
To form with the mouth.
To utter with a voice that is overly loud or swelling.
To speak; to utter.
To examine the teeth of.
To make the actions of speech, without producing sound.
To exit at a mouth (such as a river mouth)