Cabinet of the United Kingdom

The Cabinet of the United Kingdom was a group within the British government. While he disguised himself as Acting Prime Minister Joseph Green, Jocrassa Fel-Fotch Passameer-Day Slitheen told General Asquith that he had "cancelled" the airlifting in of the "rest of the Cabinet", as "[t]hey'd only get in the way." (TV: Aliens of London)

Behind the scenes
Within at least Aliens of London, the Cabinet is not referred to in dialogue as anything more specific than "the Cabinet".