airpipe

air pipe, air tube; airhole, blowhole, breathinghole, venthole; shaft, flue, chimney, funnel, vent, nostril, nozzle, throat, weasand, trachea; bronchus, bronchia; larynx, tonsils, windpipe, spiracle; ventiduct, ventilator; louvre, jalousie, Venetian blinds; blowpipe (wind); pipe (tube); jhilmil; smokestack.