- (v.t.) To make short incisions in with a roulette; to separate by incisions made with a roulette; as, to roulette a sheet of postage stamps.
- (n.) A small toothed wheel used to make short incisions in paper, as a sheet of postage stamps to facilitate their separation.
- (n.) 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.
- (n.) A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
- (n.) 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.
- (n.) A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). roulette. Retrieved September 20, 2026, from http://smartdefine.org/roulette/definitions/2056729 |
| Chicago | Webster's. 2011. "roulette" http://smartdefine.org/roulette/definitions/2056729 (accessed September 20, 2026). |
| Harvard | Webster's 2011, roulette, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/roulette/definitions/2056729>. |
| MLA | Webster's. "roulette" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/roulette/definitions/2056729> |