also: かざぬき
noun
A hole or vent for letting air through, often in a container, room, or device to prevent pressure buildup or allow ventilation.
漬物容器には風抜きの穴が開いている。
The pickle container has an air vent hole.
この部屋には風抜きがないので、蒸し暑い。
This room has no air vent, so it's stuffy and hot.
Compound of 風 (kaze, 'wind') and 抜き (nuki, 'removing' or 'letting out'), literally 'wind outlet'.