A branch of the military mainly devoted to air warfare, as opposed to (land) army and navy. / A unit in the U.S. Air Force larger than a division but smaller than a command.

A rifle that propels a pellet or other projectile by using compressed gas, rather than an explosion of gunpowder or other means.

(US, law enforcement) An armed, undercover guard on a commercial-airline flight.

Taking place outdoors; alfresco

(basketball) A thrown ball that misses the basket, and completely fails to touch the net or supporting hoop. / (by extension) Any ball-like object that widely misses its intended target when thrown.

plural of air sport

plural of air flow

plural of air terminal

Any substance that gives rise to air pollution

An aircraft used to deliver liquids (or powders) from the air, usually either fuel, fire-retardants, or water.