1. To admit or force fresh air into (a building or closed space, such as a mine) to replace stale or noxious air.

What you mean by ventilated?

1 : to let in air and especially a current of fresh air Windows ventilate the room. 2 : to provide with fresh air Keep the plants ventilated. 3 : to discuss freely and openly You should ventilate your complaints.

What does it mean to ventilate a room?

If you ventilate a room or building, you allow fresh air to get into it. Ventilate the room properly when paint stripping. [ VERB noun] The pit is ventilated by a steel fan. [