Roulette is a casino game played at a table that features 38 numbers, 2 colors, and a roulette wheel that has all of the same numbers and colors on it. At the beginning of the game, players place bets on the different spaces on the table.
roulette, (from French: “small wheel”), gambling game in which players bet on which red or black numbered compartment of a revolving wheel a small ball (spun in the opposite direction) will come to rest within.