Laurentian Highlands

Thesaurus

Noun

1.Laurentian Highlands - a large plateau that occupies more than 40% of the land area of Canada; it extends from the Great Lakes northward to the Arctic OceanCanadian Shield, Laurentian PlateauCanada - a nation in northern North America; the French were the first Europeans to settle in mainland Canada; "the border between the United States and Canada is the longest unguarded border in the world"