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High roller

//ˈhaɪ ˈɹəʊlə// noun, slang

Noun

1
A gambler who wagers large amounts of money, usually in a casino. Canada, US, informal
"They were all "high rollers" against faro, had plenty of money, and, if the cards came favorably, would "chaw up" a bank in double-quick time."
2
a gambler who wagers large sums wordnet
3
One who has a lot of money and lives luxuriously. Canada, US, informal
"The "Baron" bowed. This was a new complication, but it was all in the day's work. Of course, the whole thing was plain enough. Fatty Welch was "working" some swell guys who thought he was a real high-roller. Maybe he was going to pull off some kind of a job that very evening. Perhaps this big chap in the swagger flannels was one of the gang. Barney was thinking hard. Well, he'd take the tip and play the hand out."
4
one who spends lavishly and ostentatiously on entertainment wordnet

A reference to a gambler rolling dice.

Unscramble this word: highroller