fan

fan - noun

• Any of various devices for winnowing grain

• A device that is held in the hand and moved back and forth to cool a person and that is usually shaped like a segment of a circle and composed of material (such as feathers or paper) mounted on thin rods or slats moving about a pivot so that the device may be closed compactly when not in use

• A device that consists of a series of vanes radiating from a hub rotated on its axle by a motor

• An airplane propeller