Synonyms of 'blowhole'

avenue, channel, chute, cringle, deadeye, door, egress, emunctory, escape, estuary, exhaust, exit, eye, floodgate, guide, keyhole, knothole, loop, manhole, nostril, opening, out, outcome, outfall, outgo, outlet, pore, port, porthole, sally port, shaft, sluice, spiracle, tap, transom, vent, ventage, weir, spout, placket, pinhole, pigeonhole, peephole, naris, louver, loophole, grommet, gasket, flume, eyelet, debouch, bunghole, armhole, air passage, air hole, airway, wind tunnel, vomitory, ventilator