ventilate

verb

1.
expose to cool or cold air so as to cool or freshen
Derived from:
vent ventilator
Instrument:
ventilator
2.
expose to the circulation of fresh air so as to retard spoilage
Instrument:
ventilator
3.
circulate through and freshen
Derived from:
ventilation
4.
give expression or utterance to
Derived from:
ventilation
5.
furnish with an opening to allow air to circulate or gas to escape
Instrument:
ventilator