- Supreme power; sovereignty; sway; dominion. - The dominion of an emperor; the territory or countries
under the jurisdiction and dominion of an emperor (rarely of a king),
usually of greater extent than a kingdom, always comprising a variety
in the nationality of, or the forms of administration in, constituent
and subordinate portions; as, the Austrian empire. - Any dominion; supreme control; governing influence; rule;
sway; as, the empire of mind or of reason.
Meaning of 'empire' (Princeton's WordNet)
1 . empire
[ n]
Meaning (1): - a group of countries under a single authority