1.Definition: a group of countries under a single authority

"The British created a great empire"

Category: General

2.Definition: a group of diverse companies under common ownership and run as a single organization

Related Noun(s):conglomerate

Category: General

3.Definition: a monarchy with an emperor as head of state

Category: General

4.Definition: an eating apple that somewhat resembles a McIntosh; used as both an eating and a cooking apple

Category: Food

5.Definition: the domain ruled by an emperor or empress; the region over which imperial dominion is exercised

Related Noun(s):imperium

Category: Places