Flying club (3)
I believe the answer is:
bat
This could be a double definition.
'flying' is the first definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe you can see an association between them that I can't see?
'club' is the second definition.
(as in sporting equipment)
Can you help me to learn more?
(Other definitions for bat that I've seen before include "Cricket implement or flying mammal" , "The cricketer wields it" , "Nocturnal mouselike mammal" , "Cricketer; mammal" , "Night-flyer" .)