1Hist. the Provinces of British North America in the Atlantic area.
1855  To some persons, it may seem as absurd thus to connect the Atlantic Provinces with British Oregon . . . as to connect them . . . with New Zealand.
2 Nova Scotia, New Brunswick, Prince Edward Island, and, after joining Canada in 1949, Newfoundland.
1869  I readily acknowledge that I am a firm believer in the benefit of the great scheme of Union, as applied to the Atlantic Provinces. . . .
1955  [They] will make a summer tour of Eastern Canada to include concerts in all four Atlantic provinces.
1964  . . . the Atlantic provinces have been trapped in a backwater of history. . . .