Ven·ti·late v. t. [imp. & p. p. Ventilated p. pr. & vb. n. Ventilating.]
1. 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.
2. To provide with a vent, or escape, for air, gas, etc.; as, to ventilate a mold, or a water-wheel bucket.
3. To change or renew, as the air of a room.
4. To winnow; to fan; as, to ventilate wheat.
5. To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion; as, to ventilate questions of policy.
6. To give vent to; to utter; to make public.
Macaulay took occasion to ventilate one of those startling, but not very profound, paradoxes. --J. C. Shairp.