supermarketsu·per·mar·ket /ˈsuːpəˌmɑːkət, ˈsjuː--pərˌmɑːr-/ noun [countableC] COMMERCEa large shop selling very many different kinds of food and other products used especially in the homeSales growth in UK supermarkets rose by almost 13%.
Canada’s largest supermarket chain (=several shops owned by the same company) has 40% of the market.
→ financial supermarket