Definition of fanning:
(n) :
The act by which something is fanned.
(n) :
Winnowing.
(n) :
(firearms) A shooting technique in which the shooter uses one hand to hold a revolver and pull the trigger, while using the other hand to cock the hammer repeatedly in a slapping-like fashion.
(n) :
A very small fragment of tea leaf.
(n) :
(UK, slang, archaic) A beating.
(n) :
A surname.