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1. Dominance or power through legal authority
   "France held undisputed dominion over vast areas of Africa"
   - rule
    
2. A region marked off for administrative or other purposes
   - district, territory, territorial dominion

1. One of the self-governing nations in the British Commonwealth

Derived forms: dominions

See also: dominate

Type of: ascendance, ascendancy, ascendence, ascendency, body politic, commonwealth, control, country, dominance, land, nation, region, res publica, state

Encyclopedia: Dominion Dominion, Nova Scotia