point-of-sale

the store, dealer, or other retail outlet where an item is sold:

designating or in use at a point-of-sale, cashier's desk, or check-out counter; point-of-purchase.

(in retailing) of or pertaining to a customer-checkout system that uses automated devices linked to a computer, as a terminal (point-of-sale terminal) that directly transmits sales data as part of a computerized system for accounting and inventory control.