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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A group of five lakes on the United States-Canada border, consisting of Lake Superior, Lake Michigan and Lake Huron (Lake Michigan–Huron), Lake Erie and Lake Ontario.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a group of five large, interconnected lakes in central North America


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