Dromeian Chapter
From Tardis Wiki, the free Doctor Who reference
The Dromeian Chapter was one of the six Colleges or Chapters of Time Lord society on Gallifrey. The robes of the Dromeians were silver-gray in colour. They had little political power. (NA: Lungbarrow)
Behind the Scenes
Marc Platt said that that he thought of this chapter as analogous to the Social Democrats, a real life British political party.