A warship designed to carry aircraft, serving as a seagoing air base, with a deck on which aircraft can be launched and landed.

present participle of air

(countable) An exposure to warm or fresh air. / (countable) The broadcast of a television or radio show. / (countable) A public expression of an opinion or discussion of a subject.

Initialism of Agency for International Development.

A system designed to give assistance to aircraft, to prevent collisions and to manage aircraft flow.

An attack on a surface target by aircraft. / (American football) A passing-heavy offensive scheme based on a shotgun formation with four wide receivers and a single running back.

The bilateral agreements concerning international air travel defined by the Chicago Convention in 1944, covering such topics as overflight, stopovers, and passenger carriage.

Alternative spelling of on the air, especially when used attributively.

An assistant. / (military) An officer who acts as assistant to a more senior one; an aide-de-camp.

(figuratively) to reveal one's secrets to the public.