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Roulette
01
ルーレット
a gambling game in which a ball is thrown into a spinning wheel with numbered holes and the players bet on the number that the ball will eventually fall into
02
ルーレット
a wheel with teeth for making a row of perforations
03
ルーレット
a line generated by a point on one figure rolling around a second figure
例
The casino's roulette table is covered in baize to give it a professional look.
The renowned high roller placed a million-dollar bet on the roulette table, drawing a crowd of onlookers.
Mathematicians study epicycloids as a subclass of roulettes arising from the roll and trace combinations of circular motions.
He decided to play $20 on the roulette table.
