1. a hole or opening that allows air to pass through
2. an opening in ice through which seals or other marine animals breathe
Usage: zoology
3. a defect in metal casting caused by trapped air bubbles
Usage: metallurgy

Examples

• The tent had small airholes near the top for ventilation.
• Make sure to drill airholes in the container lid.
• The seal surfaced at an airhole in the frozen lake.
• Arctic animals depend on airholes to breathe under the ice.
• The casting was rejected due to several airholes in the metal.
• Proper technique prevents airholes from forming in the bronze sculpture.