'Dominion Day' definitions:

Definition of 'Dominion Day'

From: WordNet
noun
A legal holiday in Canada commemorating receiving Dominion status in 1867 [syn: Dominion Day, July 1]

Definition of 'Dominion Day'

From: GCIDE
  • Dominion Day \Do*min"ion Day\ In Canada, a legal holiday, July lst, being the anniversary of the proclamation of the formation of the Dominion in 1867. [Webster 1913 Suppl.]