definition of
Dominion

[1] #1 Dominion n. [dominion, rule] dominance or power through legal authority; "France held undisputed dominion over vast areas of Africa"; "the rule of Caesar". wn

[2] #2 Dominion n. [district, territory, territorial dominion, dominion] a region marked off for administrative or other purposes. wn

[3] #3 Dominion n. one of the self-governing nations in the British Commonwealth. wn