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1.
a building where people can gamble by playing card games

Note: Though cardrooms often use the word casino in their titles, cardrooms are not true casinos. Due to legal restrictions, cardrooms can not feature pure luck games like roulette and slot machines.
"My favorite cardroom is Commerce Casino in Los Angeles. You can find live action at the poker tables 24/7"
by mike27112 May 14, 2006