Definitions for: Roulette


[n] a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in
[n] a wheel with teeth for making a row of perforations
[n] a line generated by a point on one figure rolling around a second figure



Webster (1913) Definition: Rou*lette", n.
A small toothed wheel used to make short incisions in paper,
as a sheet of postage stamps to facilitate their separation.


Rou*lette", 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.


Rou*lette", n. [F., properly, a little wheel or ball.
See Rouleau, Roll.]
1. 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.

2. (Fine Arts)
(a) A small toothed wheel used by engravers to roll over a
plate in order to order to produce rows of dots.
(b) A similar wheel used to roughen the surface of a
plate, as in making alterations in a mezzotint.

3. (Geom.) 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.

Synonyms: line roulette, toothed wheel

See Also: curve, curved shape, cycloid, epicycloid, gambling game, game of chance, hypocycloid, wheel

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