a large shop/store in which goods for sale, especially cars and electrical goods, are displayed a car showroom See related entries: The car industryExtra examples By the end of the decade these cars could be on the showroom floor. He managed to find a second-hand Ferrari in showroom condition. The new model hits showrooms in November. They took 10 per cent off the price of the computer as it was a showroom model. We chose a new cooker from the gas showroom.