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Roulette (Noun)

A gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in.

Nouns denoting acts or actions.

At the casino, she decided to join a high-stakes game of roulette, despite her limited knowledge of the rules.
He had always been drawn to the excitement and unpredictability of roulette, and this night was no exception.
As the croupier spun the wheel, the crowd gathered around the roulette table held its collective breath in anticipation.
Before placing her bet, she studied the roulette wheel carefully, hoping to spot some kind of pattern.
The famous gambler had made a fortune playing roulette in European casinos, but his luck eventually ran out.

A wheel with teeth for making a row of perforations.

Nouns denoting man-made objects.

The paper perforations were carefully made with a specialized roulette creating a straight line of separation.
Using a roulette on her leather punch, she added a decorative row of small perforations to the handmade belt.
He found an antique paper roulette that was once used to create beautiful edgings on decorative paper.
A leather roulette was used to easily stitch the intricate designs onto the handmade handbags.
Vintage printing shops often employed various roulettes to create unique and accurate perforations on their materials.

A line generated by a point on one figure rolling around a second figure.

Nouns denoting two and three dimensional shapes.

A roulette is drawn by a point on the edge of a circle as it rolls around the outside of another circle.
The roulette curve generated by a point on a cylinder rolling around a cone may be used in engineering design.
A roulette is a curve formed by a point attached to a circle as the circle rolls inside or outside another circle.
Archimedes used the properties of roulette curves to understand the principles of the movement of rolling bodies.
In some types of roulette, a point may be attached to a conic section to generate various curves, such as an epicycloid.