Plain English Meaning
Equipment on the aircraft that gets rid of ice once it has built up on the surfaces.
Full Definition
An aircraft system designed to remove ice that has already formed on critical surfaces such as wings, tail, propellers, or windshield. Deicing systems act after ice has accumulated, typically using inflatable rubber boots, electrical heating elements, or chemical fluids to break off or melt the ice.
Context Anchor
Seen in icing discussions, aircraft equipment lists, cockpit switches, and procedures for flight in or near freezing or .