Noun. roleta f (plural roletas) roulette wheel (slotted wheel) (uncountable) roulette (game of chance played with a roulette wheel) (Brazil) turnstile (rotating mechanical device) synonyms % Synonyms: borboleta, (Brazil) catraca, torniquete.

The Mega-Sena is the largest lottery in Brazil, organised by the Caixa Econmica Federal bank since March 1996.