Definition of blowhole in English:
1The nostril of a whale or dolphin on the top of its head.
- While the rest of us stood agog as the spray from the whales' blowholes misted over the deck, three divers managed to slip into the water.
- A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail.
- When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream.
2A hole in ice through which a sea mammal breathes or a person fishes.
- Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface.
- Polar bears will stand or lie by the seals blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water.
- A burly man raises a stick with a hook on the end to strike a baby seal as it surfaces from a blowhole in the ice.
2.1A vent for air or smoke in a tunnel or other structure.
- It has blowholes and lava tubes, the wettest spot on earth, and the nation's only royal palace.
- This can probably be attributed to the top blowhole wicking away the rising hot air.
- Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures.
Definition of blowhole in:
- US English dictionary
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