/ Dictionary / Index M mountain lion: Meaning and Definition of Find definitions for: moun'tain li"on Pronunciation: [key] cougar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mountain laurel mountain magnolia Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language