What is fan?

fan

Glossary “fan” Definition:
1). Device having two or more blades attached to the shaft of a motor. 2). Device mounted in the heater/air-conditioner duct that causes air to pass over the heater core and evaporator. 3). Device having four or more blades, mounted on the water pump, that causes air to pass through the radiator and condenser. 4). Spray pattern of a paint spray gun. 5). The incorrect technique of applying paint by waving a spray gun back and forth with the wrist.