Depending on the context, an "air hole" is also known by several more technical or specific names. In aviation, passengers often refer to turbulence as hitting an "air hole," though meteorologists call this "Clear Air Turbulence" (CAT) or a localized downdraft. In engineering and architecture, it is typically called a "vent," "aperture," or "orifice," designed to allow the passage of air for ventilation. If the hole is intended for breathing in a biological sense, it might be called a "spiracle" (in insects) or a "blowhole" (in marine mammals like whales and dolphins). In manufacturing or casting, an air hole is often referred to as a "void" or a "blowhole," representing an undesirable pocket of trapped gas within a material. In everyday household terms, it might simply be called a "perforation" or an "air intake." The term you choose depends entirely on whether you are describing a scientific phenomenon, a structural feature, or a biological adaptation, but in 2026, "ventilation port" is the most common professional term used across various technical industries.