noun
beef butcher; beef dealer
A shop or dealer specializing in beef, as opposed to a general butcher. The term is straightforward but not as common as 肉屋.
駅前に新しい牛肉屋ができた。
A new beef butcher opened in front of the station.
noun
beef-hotpot restaurant
A restaurant specializing in 牛鍋 (beef hotpot). This usage is historical and now rare; modern equivalents are すき焼き屋 or 牛鍋店.
See also: 牛鍋屋
明治時代には牛肉屋で牛鍋を食べるのが流行った。
In the Meiji period, eating beef hotpot at a beef-hotpot restaurant was popular.
牛鍋屋 is a more specific term for a beef-hotpot restaurant, while 牛肉屋 can also refer to a beef butcher.
Compound of 牛肉 (beef) and 屋 (shop, dealer). The restaurant sense derives from the historical association of beef shops with beef-hotpot dining in the Meiji era.