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Webster's New World College Dictionary » blowhole
blowhole
blowhole definition
blow·hole (-hōl′)
noun
- a nostril in the top of the head of whales and certain other cetaceans, through which they breathe
- a hole through which gas or air can escape, esp. in lava
- a hole in the ice to which seals, whales, etc. come to get air
- a vertical opening or chimney in the roof of a sea cave through which air and water are forced by the action of the waves and the rising tides
- a flaw in cast metal caused by an air or gas bubble
Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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