English Dictionary: Blowhole | by the DICT Development Group |
2 results for Blowhole | |
From WordNet (r) 3.0 (2006) [wn]: | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Blowhole \Blow"hole`\, n. 1. A cavern in a cliff, at the water level, opening to the air at its farther extremity, so that the waters rush in with each surge and rise in a lofty jet from the extremity. 2. A nostril or spiracle in the top of the head of a whale or other cetacean. Note: There are two spiracles or blowholes in the common whales, but only one in sperm whales, porpoises, etc. 3. A hole in the ice to which whales, seals, etc., come to breathe. 4. (Founding) An air hole in a casting. |