THESAURUS
Nostril
air duct, air hole, air passage, air shaft, air tube, airway, antlia, beak, beezer, bill, blowhole, breathing hole, bugle, conk, louver, louverwork, muffle, muzzle, nares, naris, neb, nib, nose, nostrils, nozzle, olfactories, olfactory area, olfactory cell, olfactory nerves, olfactory organ, olfactory pit, pecker, proboscis, rhinarium, rostrum, schnozzle, shaft, smeller, snoot, snout, spilehole, spiracle, touchhole, transom, trunk, vent, ventage, venthole, ventiduct, ventilating shaft, ventilator, wind tunnel
ROGET THESAURUS
Nostril
Airpipe
N
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, pipe, jhilmil, smokestack, screen, window screen, ' artificial lung, iron lung, heart and lung machine.