Word Study
wind tunnel
THESAURUS
wind tunnel
air duct, air hole, air passage, air shaft, air tube, airway, blowhole, breathing hole, louver, louverwork, naris, nostril, shaft, spilehole, spiracle, touchhole, transom, vent, ventage, venthole, ventiduct, ventilating shaft, ventilatorFor further exploring for "wind tunnel" in Webster Dictionary Online