roulette

Noun
Synonyms: line roulettetoothed wheel

WordNet 3.0

Noun (3)

  1. a line generated by a point on one figure rolling around a second figureSynonyms: line roulette
  2. a wheel with teeth for making a row of perforationsSynonyms: toothed wheel
  3. a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in
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Webster's Dictionary (GCIDE)

Roulette \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. [Webster 1913 Suppl.]
Roulette \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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

4.A small toothed wheel used to make short incisions in paper, as a sheet of postage stamps to facilitate their separation. [Webster 1913 Suppl.]

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