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