v. t. | 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. |