■ noun
1》 a gambling game in which a ball is dropped on to a revolving wheel with numbered compartments, the players betting on the number at which the ball comes to rest.
2》 a tool or machine with a revolving toothed wheel, used in engraving or for making perforations between postage stamps.
■ verb use a ~ to make perforations in.
Origin
C18: from Fr., dimin. of rouelle 'wheel'.