From Longman Dictionary of Contemporary Englishvending machineˈvending maˌchine noun [countable] a machine that you can get cigarettes, chocolate, drinks etc from by putting money in
Examples from the Corpus
vending machine• For example, the customer might ask to be given equal numbers of 5p and 20p coins for use in a vending machine.• A different form of vending machine is that providing a service.• There used to be a rickety vending machine at Manchester and Vermont that held a Socialist Workers newspaper.From Longman Business Dictionaryvending machineˈvending maˌchine a machine from which you can get cigarettes, chocolate, drinks etc by putting money in → machine 