say it: roo-LET
roulette is a noun meaning "a line generated by a point on one figure rolling around a second figure". It carries 3 recorded senses.
a line generated by a point on one figure rolling around a second figure
a wheel with teeth for making a row of perforations
a gambling game in which players bet on which compartment of a revolving wheel a small ball will come to rest in
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for roulette come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.