1. the mixture of gases that surrounds the earth and that we breathe
2. the space above the ground; the sky
3. a particular quality or impression that someone or something gives

1. to broadcast a television or radio program
2. to express or make known publicly

Examples

• The air is fresh and clean in the mountains.
• The plane disappeared into the air.
• There was an air of mystery about the old house.
• She hummed a cheerful air while working.
• The show will air tonight at eight o’clock.
• He aired his complaints at the meeting.
• Open the windows to let some fresh air in.
• The birds soared high in the air.