Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of air hole is as below...

Air Hole :: Air hole () A fault in a casting, produced by a bubble of air; a blowhole..

Air Hole :: Air hole () A hole to admit or discharge air; specifically, a spot in the ice not frozen over..

Air Bladder :: Air bladder () A sac or bladder full of air in an animal or plant; also an air hole in a casting.

Blowhole :: Blowhole (n.) An air hole in a casting.

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