Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A gambling game in which the players bet on which slot of a rotating disk a small ball will come to rest in.
  • n. A small toothed disk of tempered steel attached to a handle and used to make rows of dots, slits, or perforations, as in engraving or on a sheet of postage stamps.
  • n. Any of the short consecutive incisions made between individual stamps in a sheet for easy separation.
  • transitive v. To mark or divide with a roulette.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • 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 produce rows of dots.
  • n. A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
  • n. (geometry) The locus of a point on a plane curve that rolls without slipping along another fixed plane curve.
  • n. any of the small incisions on a sheet of stamps, used as an alternative to perforations.

from the GNU version of the Collaborative International Dictionary of English

  • 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.
  • n. A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.
  • n. A similar wheel used to roughen the surface of a plate, as in making alterations in a mezzotint.
  • 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 small toothed wheel used to make short incisions in paper, as a sheet of postage stamps to facilitate their separation.
  • transitive v. To make short incisions in with a roulette; to separate by incisions made with a roulette.

from The Century Dictionary and Cyclopedia

  • To mark with dotted lines with a roulette.
  • To perforate with a roulette or similar instrument, as in preparing blank checks, for ease and convenience in removal from a stub, or sheets of printed postage-stamps for the separation of the stamps, the one from the other, when needed.
  • n. An engravers' tool, used for producing a series of dots on a copperplate, and in mezzotint to darken any part which has been too much burnished.
  • n. A cylindrical object used to curl hair upon, whether of the head or of a wig.
  • n. In geometry, a curve traced by any point in the plane of a given curve when this plane rolls on this curve over another curve.
  • n. A game of chance, played at a table, in the center of which is a cavity surmounted by a revolving disk, the circumference of which is generally divided into 38 compartments colored black and red alternately, and numbered 1 to 36, with a zero and double zero.
  • n.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a wheel with teeth for making a row of perforations
  • 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 line generated by a point on one figure rolling around a second figure

Etymologies

French, from Old French ruelete, feminine diminutive of ruele, diminutive of roue, wheel, from Latin rota.
(American Heritage® Dictionary of the English Language, Fourth Edition)
French roulette, roulette, little wheel (Wiktionary)

Examples

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  • Invented by French mathematician Blaise Pascal. The popular game of chance was a byproduct of his experiments with perpetual motion.

    May 7, 2008