VEN'TILATE, verb transitive [Latin ventilo, from ventus, wind.] 1. To fan with wind; to open and expose to the free passage of air or wind; as, to ventilate a room; to ventilate a cellar. 2. To cause the air to pass through; as, to ventilate a mine. 3. To winnow; to fan; as, to ventilate wheat. 4. To examine; to discuss; that is, to agitate; as, to ventilate questions of policy. [Not now in use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI