ROULETTE

roulette

(noun) a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in

roulette, toothed wheel

(noun) a wheel with teeth for making a row of perforations

roulette, line roulette

(noun) a line generated by a point on one figure rolling around a second figure

Source: WordNet® 3.1

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Etymology

Noun

roulette (countable and uncountable, plural roulettes)

(uncountable) 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.

(countable) A small toothed wheel used by engravers to roll over a plate in order to produce rows of dots.

(countable) A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.

(countable, geometry) The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.

(philately) Any of the small incisions on a sheet of stamps, used as an alternative to perforations.

A cylindrical curler for the hair.

Verb

roulette (third-person singular simple present roulettes, present participle rouletting, simple past and past participle rouletted)

To separate or decorate by incisions made with a small toothed wheel.

Source: Wiktionary

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Rou*lette", n. Etym: [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.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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