EBORACUM, in Ancient Geography, a famous city of the Brigantes in Britain, the residence of Septimius Severus and Constantius Chlorus, and where they both died; a Roman colony; and the station of the Legio Sexta Victrix. Now Tork. W. Long. 50. Lat. 54. Caer-frock or Caer-effree, in British (Camden).