Meaning of BLOWHOLE
| Pronunciation: | | 'blow`howl
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 WordNet Dictionary |
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| | Definition: | |
- [n] a hole for the escape of gas or air
- [n] the spiracle of a cetacean located far back on the skull
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| | Synonyms: | | vent, venthole |
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| | See Also: | | air duct, air passage, airway, blower, cetacean, cetacean mammal, hole, smoke hole, spiracle | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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.
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| Thesaurus Terms |
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| | Related Terms: | | air duct, air hole, air passage, air shaft, air tube, airway, armhole, avenue, breathing hole, bullet-hole, bunghole, channel, chute, cringle, deadeye, debouch, door, egress, emunctory, escape, estuary, exhaust, exit, eye, eyelet, floodgate, flume, gasket, grommet, guide, keyhole, knothole, loop, loophole, louver, louverwork, manhole, mousehole, naris, nostril, opening, out, outcome, outfall, outgate, outgo, outlet, peephole, pigeonhole, pinhole, placket, placket hole, pore, port, porthole, punch-hole, sally port, shaft, sluice, spilehole, spiracle, spout, tap, touchhole, transom, vent, ventage, venthole, ventiduct, ventilating shaft, ventilator, vomitory, way out, weir, wind tunnel |
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