(idiomatic) Talking a lot, especially without saying anything of value or meaning.

Alternative spelling of hot-air balloon

A balloon-shaped aircraft whose bag is inflated with hot air; it carries passengers and crew in a gondola slung underneath.

Alternative spelling of air vice-marshal

A holder of the most senior active rank in the Royal Air Force, NATO grade OF-9.

(military) A ground-based anti-aircraft missile.

An emergency service, often operated by a branch of the armed forces that serves to rescue people at sea, or stranded on a coast, normally with the use of helicopters.

A person who operates an air traffic control system, to expedite the safe flow of aircraft.

The erratic movement of air masses in the absence of any visual cues, especially such movement that causes unexpected turbulence to an aircraft.

(idiomatic) (Extreme sports) Superlative of catch air; make a big jump high off the ground