Casino wheel game (8)
I believe the answer is:
roulette
'casino wheel game' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for roulette that I've seen before include "Wheel of fortune" , "risky venture" , "gambling business" , "Half of 1D [GAME OR BIRD]" , "Wheel for the gambler" .)