Learn how to say Roulette correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word roulette:
1 [mass noun] a gambling game in which a ball is dropped on to a revolving wheel with numbered compartments, the players betting on the number at which the ball comes to rest.
2a tool or machine with a revolving toothed wheel, used in engraving or for making slit-shaped perforations between postage stamps.
make slit-shaped perforations in (paper, especially sheets of postage stamps):
the pages are rouletted next to the binding
mid 18th century: from French, diminutive of rouelle ‘wheel’, from late Latin rotella, diminutive of Latin rota ‘wheel’