What does air out mean?
air out
Definition
To leave something in fresh air so that it smells clean again.
Example sentences
I hang the pillows out of the window to air them out whenever it's sunny.
I hang the pillows out of the window to air them out whenever it's sunny.
The room smelled of paint, so we left everything open to air it out.
The room smelled of paint, so we left everything open to air it out.