A venting hole is a small opening in a surface or object that is designed to allow air or gas to escape. There are a variety of synonyms for venting hole, including breather hole, air vent, vent hole, air release valve, pressure relief valve, exhaust vent, and relief hole. These terms are often used interchangeably and refer to the same basic design feature. Venting holes are common in a wide range of applications, including machinery, electronics, and household appliances. They serve a critical function by preventing the buildup of pressure or vacuum that can damage equipment or pose a safety hazard.