empire

noun

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

   noun.location

   Synonyms imperium

   Source: WordNet 3.0

2. a group of countries under a single authority

   noun.group

   Examples

   The British created a great empire.

   Source: WordNet 3.0

3. a monarchy with an emperor as head of state

   noun.group

   Source: WordNet 3.0

4. a group of diverse companies under common ownership and run as a single organization

   noun.group

   Synonyms conglomerate

   Source: WordNet 3.0

5. an eating apple that somewhat resembles a McIntosh; used as both an eating and a cooking apple

   noun.food

   Source: WordNet 3.0

6. Supreme power; sovereignty; sway; dominion.

   noun

   Source: webster1913