1. (

• fan ,

) strike out (a batter), (of a pitcher) ;

2. (

• fan

) make (an emotion) fiercer; "fan hatred" ;

3. (

• fan

) agitate the air ;

4. (

• winnow ,
• fan ,

) blow away or off with a current of air; "winnow chaff"; "The speaker ceased to be an amusing little gnat to be fanned away and was kicked off the forum" ;