Canada - 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"

U.S.A., United States, United States of America, US, USA, America, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

lake - a body of (usually fresh) water surrounded by land

Lake Erie, Erie - the 4th largest of the Great Lakes; it is linked to the Hudson River by the New York State Barge Canal

Huron, Lake Huron - the 2nd largest of the Great Lakes

Lake Michigan, Michigan - the 3rd largest of the Great Lakes; the largest fresh-water lake entirely within the United States borders

Lake Ontario, Ontario - the smallest of the Great Lakes

Lake Superior, Superior - the largest freshwater lake in the world; the deepest of the Great Lakes