Definition of Downing Street in English:

Downing Street

proper noun

  • 1A street in Westminster, London, between Whitehall and St. James's Park. No. 10 is the official residence of the prime minister; No. 11 is the official home of the chancellor of the exchequer.

    1. 1.1 Used allusively for the British government or the prime minister.

Origin

Named after the original developer of the site, Sir George Downing ( c. 1624–84), a diplomat under both Oliver Cromwell and Charles II.

Pronunciation

Downing Street

/ˈdouniNG ˌstrēt/