Dictionary definition · fan
noun
- a device for creating a current of air by movement of a surface or surfaces
- an enthusiastic devotee of sports
- an ardent follower and admirer
verb
- strike out (a batter), (of a pitcher)
- make (an emotion) fiercer"fan hatred"
- agitate the air
- blow away or off with a current of air"winnow chaff"
Source: Open English WordNet (CC BY 4.0).