Empire (EP) definition

(1) An eating apple that somewhat resembles a McIntosh; used as both an eating and a cooking apple

(2) A group of countries under a single authority

"The British empire"

(3) A group of diverse companies under common ownership and run as a single organization

(4) A monarchy with an emperor as head of state

(5) The domain ruled by an emperor or empress; the region over which imperial dominion is exercised