noun.any of various devices for winnowing grain

• a ceiling fan to stir the air

noun.an instrument for producing a current of air: such as

noun.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

verb.to drive away the chaff of (grain) by means of a current of air

• the breeze fanning her hair
• fanning the fires of nationalism

verb.to eliminate (chaff) by winnowing

• the peacock fanned his tail

verb.to move or impel (air) with a fan

noun.an enthusiastic devotee (as of a sport or a performing art) usually as a spectator

• science-fiction fans

noun.an ardent admirer or enthusiast (as of a celebrity or a pursuit)