To winnow; to fan; as, to ventilate wheat.

To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion; as, to ventilate questions of policy.

expose to cool or cold air so as to cool or freshen; "air the old winter clothes"; "air out the smoke-filled rooms"

expose to the circulation of fresh air so as to retard spoilage; "Wheat should be well ventilated"

circulate through and freshen; "The gust of air ventilated the room"

furnish with an opening to allow air to circulate or gas to escape; "The architect did not thnk about ventilating the storage space"

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).

To admit fresh air into a space in order to replace stale air.