roulette

ruletti

vierintäkäyrä puhekieltä A game of chance, in which a small ball is made to move round rapidly on a circle divided off into numbered red and black spaces, the one on which it stops indicating the result of a variety of wagers permitted by the game.
puhekieltä A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.
puhekieltä A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
puhekieltä The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.
puhekieltä Any of the small incisions on a sheet of stamps, used as an alternative to perforations.
To separate or decorate by incisions made with a small toothed wheel.

to roulette a sheet of postage stamps

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