noun
roulette
roo-LET/ruːˈlet/
A gambling game whose outcome depends on a ball in a spinning wheel.
In roulette, a small ball lands in a numbered wheel pocket.

Etymology
The Old French word meant “little wheel.” That name was extended to the gambling game itself, whose central device is a revolving wheel.
In context
you had little enough chance to win at a straight game of roulette. But the wheel is very rarely straight
More examples
- She bets on red when she plays roulette.
- We watch a few rounds of roulette before placing a bet.
- He sets a spending limit before approaching the roulette table.
Forms
roulette