From Longman Dictionary of Contemporary EnglishDowning StreetDow‧ning Street /ˈdaʊnɪŋ striːt/ noun PGthe government or prime minister of Great Britain Downing Street declined to comment on the allegations.
Examples from the Corpus
Downing Street• On hearing of the agreement in Poona, MacDonald returned hastily to 10 Downing Street.• The Wilkins Micawber of 11 Downing street tells us to wait and see.• Such an elaborate defence is said to have appalled Downing Street.• I give a number of dinners for industrialists at Downing street, and the dinner for business men was no different.• But Mr Milburn, under pressure from Downing Street for a more radical approach, decided to scrap regulations blocking treatment abroad.• Devon and Cumbria, among the worst hit by the disease, were leading contenders to entertain the Downing Street family. 