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blowhole |
Also found in: Medical, Wikipedia, Hutchinson | 0.01 sec. |
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blowhole 1. the nostril, paired or single, of whales, situated far back on the skull 2. a hole in ice through which whales, seals, etc., breathe 3. a bubble-like defect in an ingot resulting from gas being trapped during solidification 4. Geology a hole in a cliff top leading to a sea cave through which air is forced by the action of the sea blowhole [′blō‚hōl] (geology) A longitudinal tunnel opening in a sea cliff, on the upland side away from shore; columns of sea spray are thrown up through the opening, usually during storms. (metallurgy) A pocket of air or gas formed in a metal during solidification. (vertebrate zoology) The nostril on top of the head of cetacean mammals. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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