do·min·ion 
/dəˈmɪnjən/ noun
plural do·min·ions /dəˈmɪnjən/ noun formal 1 [noncount] : the power to rule : control of a country, region, etc.
▪ The U.S. has/holds dominion over the island. ▪ The countries fought for dominion of the territory. synonyms 1power 2 [count] : the land that a ruler or government controls
▪ The whole island is the king's dominion. [=domain] ▪ the dominions of the empire 3 Dominion [count] : a country that was part of the British Empire but had its own government ◊Countries that were formerly Dominions are now members of the Commonwealth.
▪ The U.S. has/holds dominion over the island. ▪ The countries fought for dominion of the territory. synonyms 1power
▪ The whole island is the king's dominion. [=domain] ▪ the dominions of the empire
