A small toothed wheel used to make short incisions in paper, as a sheet of postage stamps to facilitate their separation.
To make short incisions in with a roulette; to separate by incisions made with a roulette; as, to roulette a sheet of postage stamps.
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.
A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.
A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
the curve traced by any point in the plane of a given curve when the latter rolls, without sliding, over another fixed curve. See Cycloid, and Epycycloid.
My life experience has taught me nothing happens by chance. Even the idea of the ball in a roulette game: it's not chance it ends up in a certain place. It's forces that are at play. Andrea Bocelli
In Vegas, I got into a long argument with the man at the roulette wheel over what I considered to be an odd number. Steven Wright
Your email inbox is a bit like a Las Vegas roulette machine. You know, you just check it and check it, and every once in a while there's some juicy little tidbit of reward, like the three quarters that pop down on a one-armed bandit. And that keeps you coming back for more. Douglas Rushkoff