(n.) A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.
Thesaurus Entries
aerator, air conditioner, air cooler, air duct, air filter, air hole, air passage, air shaft, air tube, airway, blower, blowhole, breathing hole, chiller, cold pack, cooler, cooling system, electric fan, exhaust fan, fan, flabellum, ice bag, ice bucket, ice cube, ice pack, ice pail, louver, louverwork, naris, nostril, punkah, shaft, spilehole, spiracle, surface cooler, thermantidote, touchhole, transom, vent, ventage, venthole, ventiduct, ventilating shaft, water cooler, wind tunnel, windcatcher, windsail, windscoop, wine cooler
