Air″ hole′ (hōl′). 1. A hole to admit or discharge air; specifically, a spot in the ice not frozen over.
2. (Founding) A fault in a casting, produced by a bubble of air; a blowhole.
Webster's Dictionary 1913
Air″ hole′ (hōl′). 1. A hole to admit or discharge air; specifically, a spot in the ice not frozen over.
2. (Founding) A fault in a casting, produced by a bubble of air; a blowhole.