plural of aim-crier

A ceiling- or wall-mounted or suspended air conditioner, for when space is limited, because there is no available walls to mount a split system or where there is limited ceiling space for a ducted system.

An air conditioner where the inside-environment (evaporative) heat exchanger is separated by some distance from the outside-environment (condensing unit) heat exchanger.

Alternative form of airfreight.

A celebratory gesture in which the fist is directed upward.

plural of air punch

plural of air marshal

plural of air gap

(networking, computer security) A network security measure that consists of ensuring that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network.

An aircraft made to a smaller scale, either as a static (non-flying) model, or built to fly with the aid of an engine or electric motor, and controlled by radio from the ground.