What is another word for air-hole?
Pronunciation: [ˈe͡əhˈə͡ʊl] (IPA) 
The word "air-hole" refers to a small opening or gap that allows air to pass through. There are several synonyms for this word, including ventilation hole, air vent, breathing hole, and airway. A ventilation hole is typically used in buildings, providing fresh air and reducing the risk of dampness. An air vent is a similar device, but can also be a part of a heating or cooling system. A breathing hole is commonly found in underwater diving masks, allowing the user to inhale air from above the water. Finally, an airway is a passage within the body that conducts air, such as the throat or nasal passages.
