What is another word for coin-operated machine?
Pronunciation: [kˈɔ͡ɪnˈɒpəɹˌe͡ɪtɪd məʃˈiːn] (IPA) 
A "coin-operated machine" is essentially any device or piece of equipment that requires coins to function or operate. Synonyms for this term include "coin box machine," "coin-controlled mechanism," and "coin-fed device." Other phrases used to describe this type of machine include "pay-per-use machine," "self-service apparatus," and "currency-operated equipment." In addition, more specific types of coin-operated machines include "vending machines," "arcade games," "slot machines," and "laundry machines." Whatever the specific type or function, coin-operated machines have been a popular method of generating revenue for businesses and providing convenient services to the public for over a century.
