Mackenzie River

Mackenzie River

A river of northwest Canada rising in Great Slave Lake in southern Northwest Territories and flowing about 1,802 km (1,120 mi) generally northwest to a vast delta on Mackenzie Bay, an arm of the Beaufort Sea. It was first navigated by Sir Alexander Mackenzie in 1789.

Thesaurus

Noun

1.

Mackenzie River - a Canadian river; flows into the Beaufort Sea Mackenzie 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"