plural of air-to-air missile

(intransitive) to act pretentiously, or in a snobbish manner; to swagger

plural of air de cour

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

Used other than figuratively or idiomatically: see up, in, the, air.

(idiomatic) Not yet resolved, finished, answered, decided or certain.

(ultimate frisbee) A throw at a downward angle with an upward attitude causing the disc to descend during the beginning of the flight and then rise.

An equal mixture of nitrous oxide and oxygen, used as a mild analgesic and anaesthetic, particularly during childbirth, for dental procedures, and in emergency medicine.

The capital city of Argentina. / The largest and most populous province in Argentina, part of the Pampas region.

(idiomatic, broadcasting) An unintended interruption in a broadcast during which nothing is transmitted: a silent period on radio or a silent period with no picture on television.