/ Dictionary / Index M Mackenzie: Meaning and Definition of Find definitions for: Mac•ken•zie Pronunciation: (mu-ken'zē), [key] — n. 1764–1820, Scottish explorer in Canada. 1822–92, Canadian statesman, born in Scotland: prime minister 1873–78. 1795–1861, Canadian political leader and journalist, born in Scotland. a river in NW Canada, flowing NW from the Great Slave Lake to the Arctic Ocean. 1120 mi. (1800 km) long; with tributaries 2525 mi. (4065 km) long. a district in the SW Northwest Territories of Canada. 527,490 sq. mi. (1,366,200 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mackenzie (Thesaurus) Mackensen Mackenzie Mountains Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language