|Origin:||, past participle of ventilare, from ventus 'wind'|
to let fresh air into a room, building etc
well-ventilated/poorly ventilated etc
a well-ventilated kitchen
to pump air into and out of someone's lungs, using a special machine:
Both patients are sedated and ventilated.
to express your opinions or feelings about something:
The important thing is to ventilate your anger.
—ventilation noun [uncountable]
a ventilation system