tube; airhole†, blowhole, breathinghole†, venthole; shaft, flue,
chimney, funnel, vent, nostril, nozzle, throat, weasand†, trachea;
bronchus, bronchia [Med.]; larynx, tonsils, windpipe, spiracle;
ventiduct†, ventilator; louvre, jalousie, Venetian blinds; blowpipe &c
(wind) 349; pipe &c (tube) 260; jhilmil†; smokestack.
screen, window screen.' artificial lung, iron lung, heart and lung
machine.