Northwest North-West, North-west, northwest, etc. Hist.
1a n. the vast region north and west of Lake Superior, as known by the fur traders and explorers.
See also: Canadian Northwest Great West Northwestern Territory Northwest territory
1b n. the early administrative districts which later became Saskatchewan and Alberta.
See also: Northwest Territories (def. 1b)
2 n. the general region making up the present Yukon and Northwest Territories (def. 2b) and adjacent areas of the western provinces.
See also: Northwest Territories (def. 2b)