REGUM Lepidii, Regium Lepidum (anc. geogr.) a town of Cisalpine Gaul, on the Via Emilia, so called from Emilius Lepidus, who was consul with C. Flaminius; but whence it was named Regnard Regius, is altogether uncertain. Tacitus relates, that at the battle of Bedriacum, a bird of an unusual size was seen perching in a famous grove near Regium Lepidum. Now called Reggio, a city of Modena. E. Long. 11. 0. N. Lat. 44. 45.