DRUIDÆ, or DROIUM (anc. geog.), a very ancient town, the principal place of the Druides or Druidæ in Gaul, as they are called (Cæsar, Cicero). Now Dreux in the Orleannois. Here they met every year in a consecrated grove, according to Cæsar. The town was also called Durocastes. W. Long. 1. 21. Lat. 48. 45.