Meaning of Roman Empire
- the lands and peoples subject to the authority of ancient Rome.
- the form of government established in ancient Rome in 27b.c.,comprising the Principate or Early Empire (27b.c.–a.d.284) and the Autocracy or Later Empire (a.d.284–476).
- a later empire, as that of Charlemagne or the Byzantine Empire, regarded as a restoration or continuation of the ancient Roman Empire or one of its branches. Cf.