Roulette

Definition of Roulette

Rou`lette´

n.	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 small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.
	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.
	4.	A small toothed wheel used to make short incisions in paper, as a sheet of postage stamps to facilitate their separation.
v. t.	1.	To make short incisions in with a roulette; to separate by incisions made with a roulette; as, to roulette a sheet of postage stamps.

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