0 a flat instrument held in the hand and waved to direct a current of air across the face in hot weather -- der Fächer
1 a mechanical instrument causing a current of air -- der Ventilator
2 to cool (as if) with a fan -- Luft zufächeln
She sat in the corner, fanning herself.
3 to increase or strengthen (a fire) by directing air towards it with a fan etc -- anfachen
4 an enthusiastic admirer of a sport, hobby or well-known person -- der Fan