AskDefine | Define blowhole

Dictionary Definition

blowhole

Noun

1 the spiracle of a cetacean located far back on the skull
2 a hole for the escape of gas or air [syn: vent, venthole, vent-hole]

User Contributed Dictionary

English

Noun

  1. The spiracle, on the top of the head, through which cetaceans breath.
  2. A vent for the escape of gas.
  3. A cavity in the ground that leads to a marine cave and out of which waves splash.

Translations

Extensive Definition

Blowhole may refer to:

Synonyms, Antonyms and Related Words

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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