Crossword Genius

Sounds like a dance or a card game (5)

Ross

I believe the answer is:

poker

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'card game' is the definition.
(I know that poker is a type of card game)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for poker that I've seen before include "Rod liable to become heated" , "A game for the fireplace implement" , "Fire iron and card game" , "Card-game" , "Jabber" .)

I've seen this clue in The Daily Express.
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