Definitions
1.verbTo blow air on (something) by means of a fan (hand-held, mechanical or electrical) or otherwise."We enjoyed standing at the edge of the cliff, being fanned by the wind."
2.verbTo slap (a behind, especially).
3.verb(usually to fan out) To move or spread in multiple directions from one point, in the shape of a hand-held fan.
4.verbTo dispel by waving a hand-held fan."I attempted to fan the disagreeable odour out of the room."
5.verbTo perform a maneuver that involves flicking the top rear of an old-style gun.
6.verb(metaphoric) To invigorate, like flames when fanned.
7.verbTo winnow grain.