supercenternoun [ C ]
uk/ˈsuːpəˌsentər/usalso superstore US COMMERCEa very large supermarket that sells food and also a wide range of other products, usually at lower prices than other stores:
The supercenter offers a full line of groceries, an optical department, a tire and oil-change department, a grill, portrait studio, hair salon, photo-processing lab, plus yogurt and cookie shops.
Customers' enthusiasm for what superstores offer in terms of range and price is clear in the till receipts.