supercenter

/ˈsuːpəˌsentər/ noun [C] (also superstore) US COMMERCE

Definition

› a 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.

(Definition of supercenter noun from the Cambridge Business English Dictionary © Cambridge University Press)