Revolver used in casino? (8)

I believe the answer is:

roulette

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This might be a double definition.

'revolver' is the first definition.
(a roulette wheel revolves)

'casino?' is the second definition.
The answer and definition can be both acts as well as being singular nouns.
I also know that 'casino' relates to this answer.

'used in' is the link.

Can you help me to learn more?

(Other definitions for roulette that I've seen before include "Gambling game with small ball and revolving disc (8)" , "Game of chance with small ball" , "Spinning-wheel game" , "SPORT/GAME" , "sort of gambling" .)

I've seen this clue in The Sun.

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