air

US /er/
UK /er/
"air" picture
1.

the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen

:
The fresh air felt good after being indoors all day.
Birds fly through the air.
2.

a feeling or quality that something has

:
The room had an air of mystery.
She carried herself with an air of confidence.
1.

to express (a grievance or opinion) publicly

:
They decided to air their grievances at the meeting.
The documentary will air next month.