We don't have synonyms for slot machines yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are slot machine.
(n) :
(chiefly US, UK) A machine so operated to play games of chance for money, especially those with a lever and three or more rollers used to achieve combinations.
(n) :
Any machine operated by placing a coin or token into a slot, especially:
(n) :
(chiefly US, UK) A machine so operated to play games of chance for money, especially those with a lever and three or more rollers used to achieve combinations.
(n) :
Any machine operated by placing a coin or token into a slot, especially: