Alternative spelling of air-conditioning

The state of temperature and humidity produced by an air conditioner. / An air conditioner or system of air conditioners.

Alternative spelling of airflow

A duct, through which air is forced or extracted, that forms part of a building's air conditioning and ventilation system.

An air show.

(UK, aviation) A female flight attendant; a stewardess.

Any device that filters or otherwise cleans air; an air purifier.

An inlet for air; the part of an engine, especially a jet engine, through which air is drawn.

The payload of an aircraft (not counting passengers). / Cargo (freight) that is carried by air.

(aviation) A predefined route, or series of routes, in which a commercial or military aircraft must fly.