Cycloid and Roulette

Cycloid noun - A line generated by a point on a circle rolling along a straight line.

Roulette and cycloid are semantically related. In some cases you can use "Roulette" instead a noun "Cycloid".

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

Cycloid and roulette are semantically related. Sometimes you can replace term "Cycloid" with "Roulette", this nouns are similar.