airhole
nounUK /ˈeəhəʊl/
US /ˈerhoʊl/
A small hole that lets air in or out.
The ice on the pond had an airhole where the fish could breathe.
RELATED WORDS
OTHER MEANINGS
2. A hole in ice where animals can come up for air.
The seal surfaced at the airhole in the frozen lake.
3. A small opening in a mold that lets trapped air escape.
The metal cooled evenly because of the airhole in the mold.
4. A bubble of air trapped in a solid material.
The glass vase had a tiny airhole near the base.