/ Dictionary / Index M Mackenzie Mountains: Meaning and Definition of Find definitions for: Macken'zie Moun'tains Pronunciation: [key] a mountain range in the E Yukon and W Northwest Territories, in NW Canada. Highest peak, Keele Peak, 9750 ft. (2971 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mackenzie mackerel Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language