IPA: /ˈɛəˌhəʊl/
KK: /ˈɛrˌhoʊl/
An opening that allows air to pass through, often used for ventilation or to let air escape.
The airhole in the ice allowed the trapped fish to breathe.
Airhole → The word is formed from "air" (from Old English "aer", meaning the invisible gaseous substance surrounding the Earth) and "hole" (from Old English "hol", meaning a hollow place or opening). An airhole refers to an opening that allows air to pass through.
Think of an 'opening' ('hole') that lets 'air' in — that's what an airhole is.