¹ air noun

• the invisible mixture of gases (such as nitrogen and oxygen) that surrounds the Earth and that people and animals breathe
• the space or sky that is filled with air
• methods of travel that involve flying —often used before another noun

² air verb

• to place something in an open area where there is a lot of moving air to make it cool, dry, or clean
• to allow air from the outside to enter something (such as a room) so that it becomes fresher or cleaner —usually + out in U.S. English —usually + out in U.S. English
• to make (something) known in public : to state (something) publicly