(biology) The air which under ordinary circumstances does not leave the lungs during respiration.

A kind of gas made by forcing air through a volatile hydrocarbon, such as the lighter petroleums. The air is so saturated with combustible vapour as to be a convenient illuminating and heating agent.

To go out walking or riding, so as to enjoy the fresh air.

A device for producing a jet of water by the force of compressed air.

(obsolete, idiomatic) To be divulged; to be made public.

plural of air ticket

plural of air-box

Alternative spelling of airbox.

Alternative form of airfreight.

A celebratory gesture in which the fist is directed upward.