ventilator
nounA device that circulates fresh air and expels stale or foul air.
nounA machine that supplies oxygen or a mixture of oxygen and air, used in artificial respiration to control or assist breathing.
nounOne who or that which ventilates
nounOne who or that which brings some matter to public notice, as a speaker or a newspaper.
nounA 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.
nounA
A
a device that facilitates breathing in cases of respiratory failure
nouna device (such as a fan) that introduces fresh air or expels foul air