Longman Dictionary of Contemporary English
Wiktionary
n. An automatic machine that accepts money and dispenses merchandise.
WordNet
n. a slot machine for selling goods
Wikipedia
A vending machine is a machine that dispenses items such as snacks, beverages, alcohol, cigarettes, lottery tickets to customers automatically, after the customer inserts currency or credit into the machine. The first modern vending machines were developed in England in the early 19th century and dispensed postcards.
Usage examples of "vending machine".
He pulled a vending machine sandwich from his pocket, laid it on the table by the soft drink, and pulled out the customs claim ticket.
She approached a vending machine, then just stood there, staring at it resentfully.
That was the only traffic, and Bet drowsed, catnapping, thinking that tomorrow evening, she could go to a vending machine and put that one cred in a slot and have a hot can of soup&hellip.
They barely saw the impact, but the wet thump was so shocking that Cho-Cho let go of the heavy vending machine, still howling its warning cry as it teetered atop the dolly.
Incredibly, the third round slammed the killer in the chest and pitched him backward into the vending machine.