DCHP-1 Online
sister province 
1 Hist. one of the British North American colonies, regarded as having equal status with other such colonies.
See also: sister colony
- 1789 The Editor conceives, that the Nova-Scotia Mag. might be made highly conducive to the improvement of this and the sister Provinces. . . .
- 1819 It is presumed that our Sister Province would go hand in hand with us in improving the navigation of her portion of the river.
- 1849 Nova-Scotia is rivalled in steam navigation by the sister province New Brunswick, where the coal employed is imported from Great Britain
2 one of the provinces of Canada.
- 1891 The Sister Provinces were also happy in their choice of welcomes.
- 1953 Saskatchewan, in 1915, Ontario, Albert, Nova Scotia, Manitoba, New Brunswick and British Columbia, in 1916, passed prohibition laws; while, in 1918, Quebec fell in line with its sister provinces.
- 1789 The Editor conceives, that the Nova-Scotia Mag. might be made highly conducive to the improvement of this and the sister Provinces. . . .