Definitions
1.nounA 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.
2.nounA small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.
3.nounA similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
4.nounThe locus of a point on a plane curve that rolls without slipping along another fixed plane curve.
5.nounAny of the small incisions on a sheet of stamps, used as an alternative to perforations.
6.nounA cylindrical curler for the hair.
7.verbTo separate or decorate by incisions made with a small toothed wheel."to roulette a sheet of postage stamps"