RATHSKELLER Meaning of RATHSKELLER in English [ 'rα:tsˌkɛlə ]■ noun US a beer hall or restaurant in a basement.Originearly 20th cent.: from obs. Ger. (now Ratskeller ), from Rathaus 'town hall' + Keller 'cellar'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004