A gambling game in which the players bet on which slot of a rotating disk a small ball will come to rest in. 2. a. A small toothed disk of tempered steel attached to. I don't know what the person above me is talking about, but a roulette wheel has 36 numbers, plus a zero, and depending where your playing sometimes there is. Define roulette: a game in which a small ball is dropped onto a numbered wheel that is spinning and players bet on which numbered section the ball. A tax increase at the start of a recession is playing Russian roulette with all chambers loaded. Discover our greatest slideshows 7 Quotes That Perfectly Explain Why Check out his work on the Scars stuff. Switch to new thesaurus. That's not old dude!