rou·lette
/ro͞oˈlet/
noun
noun: roulette; plural noun: roulettes
1. a gambling game in which a ball is dropped onto a revolving wheel ( roulette wheel ) with numbered compartments, the players betting on the number at which the ball will come to rest.
2. a tool or machine with a revolving toothed wheel, used in engraving or for making slit-shaped perforations between postage stamps.
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