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blowhole n. 喷水孔,通风孔,通气孔 喷水孔,通风孔,通气孔 blowhole n 1: the spiracle of a cetacean located far back on the skull 2: a hole for the escape of gas or air [ synonym: { vent}, { venthole}, { vent- hole}, { blowhole}] 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. [ 1913 Webster] 2. A nostril or spiracle in the top of the head of a whale or other cetacean. [ 1913 Webster] Note: There are two spiracles or blowholes in the common whales, but only one in sperm whales, porpoises, etc. [ 1913 Webster] 3. A hole in the ice to which whales, seals, etc., come to breathe. [ 1913 Webster] 4. ( Founding) An air hole in a casting. [ 1913 Webster] 75 Moby Thesaurus words for " blowhole": 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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