To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.
- To admit fresh air into (a mine, for example) to replace stale or noxious air.
- To circulate through and freshen: A sea breeze ventilated the rooms.
- To provide with a vent, as for airing.
- To expose (a substance) to the circulation of fresh air, as to retard spoilage.
- To expose to public discussion or examination: The students ventilated their grievances.
- To aerate or oxygenate (blood).