A gambling game using a table in which a ball is droppedon to a revolving wheel with numbered compartments, playersbetting on the number at which the ball comes to rest.
Math.a curve generated by a point on a curve rolling on another.
Aa revolving toothed wheel used in engraving. b a similar wheelfor making perforations between postage stamps in a sheet.
Rouletted adj. (in sense 3b). [F, dimin. of rouelle f. LLrotella dimin. of L rota wheel]
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