Noun
gorsedd (plural gorsedds or gorseddau)
A community of bards, usually Welsh, but sometimes Breton or Cornish.
This picture shows an American version of the Eisteddfod, with the Gorsedd of Bards (aka the teaching staff in bedsheets) of 's annual Welsh language course marching out into the crowd. Source: Internet
Cardiff is unique in Wales in having two permanent stone circles used by the Gorsedd of Bards during Eisteddfodau. Source: Internet