say it: duh-MI-nyuhn
dominion is a noun meaning "dominance or power through legal authority". It carries 3 recorded senses.
dominance or power through legal authority
“France held undisputed dominion over vast areas of Africa”
“the rule of Caesar”
a region marked off for administrative or other purposes
one of the self-governing nations in the British Commonwealth
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for dominion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.