roulette wheel

Piece of equipment used to determine the winning number and color.

compartment

Each of the hollow slots in front of a number where the ball can land to determine the winning number and color.

cross handle

Grip shaped like a cross that is used by the croupier to rotate the wheel.

number

Each of the red or black numbers 1 through 36, including a green zero and double zero.

ivory ball

Small ball that the croupier drops into the stationary bowl; it rolls around the rotating wheel and stops in one of the compartments to determine the winning number and color.

stationary bowl

Basin inside which the rotating wheel turns and into which the ivory ball is dropped.

rotating wheel

Wheel with 38 numbered compartments that turns inside a stationary bowl.

fret

Each of the metal edges separating the compartments.

double zero

Number added to the American roulette wheel.