cash register

noun
  1. A mechanical or electronic device used in retail stores to calculate and record sales transactions, and often to store money. noun
    The cashier rang up the items on the cash register.
    After the store closed, the manager counted the money in the cash register.
  2. A device that typically includes a drawer for storing cash and a printer for receipts, used to manage sales and transactions in a business setting. noun
    The new cash register system helped streamline the checkout process.
    He opened the cash register to give the customer their change.