DCHP-1 Online
Great West Hist. 
the vast region north and west of Lake Superior, as known by the fur traders and explorers.
See also: Northwest (def. 1a)
- 1854 He . . . warned them to expect an avalanche of friendly Americans who would seek this thoroughfare to and from the Great West.
- 1916 Long before the Great West was more than a name to any but a handful in older Canada, hardy French voyageurs and Scottish adventurers had pushed their canoes or driven their Red River carts to the foot of the Rockies and beyond.
- 1854 He . . . warned them to expect an avalanche of friendly Americans who would seek this thoroughfare to and from the Great West.