v. To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to airv. To provide with a vent, or escape, for air, gas, etc..v. To change or renew, as the air of a room.v. To winnow; to fan.v. To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion.v. To give vent to; to utter; to make public.