dominionnounmasculine/duˈmi.nju/mediumdo·mí·nioPortuguesEnglishEspanolFrancaisDefinitionSovereignty or control over a territory or domain; also refers to an area of influence.He had dominion over the situation.The dominion of language is essential for communication.syncontrolpowerEtymologyDo latim 'dominium'Related wordsdominardominantedominador