Definitions
1.verbTo replace stale or noxious air with fresh.
2.verbTo circulate air through a building, etc.
3.verbTo provide with a vent.
4.verbTo expose something to the circulation of fresh air.
5.verbTo expose something to public examination or discussion.
6.verbTo provide manual or mechanical breathing to a patient.
7.verbTo shoot with a firearm; to pierce with bullets.