Canadian Shield

geographical name
\ lȯ-ˈren(t)-shən How to pronounce Canadian Shield (audio) \
variants: or Laurentian Plateau

Definition of Canadian Shield

plateau region of eastern Canada and the northeastern U.S. extending from the Mackenzie River basin east to Davis Strait and south to southern Quebec, northeastern Minnesota, northern Wisconsin, northwestern Michigan, and northeastern New York including the Adirondack Mountains