Meaning ofblowholein English

Noun

1. opening on cetacean's head; breathing
   The whale used its blowhole to breathe air.
2. shoreline cavity; wave expulsion
   A large blowhole formed on the rocky shoreline, expelling waves violently.
3. hole in ice for breathing; sea creatures
   Polar bears often use blowholes in the ice to catch seals.
4. vent for gas escape
   The engineer designed a blowhole in the pipeline to allow excess gas to escape safely.
5. a computer vent for hot air escape
   The laptop's blowhole allowed hot air to escape from the back.