/ Dictionary / Index M Maine coon cat: Meaning and Definition of Find definitions for: Maine' coon' cat" Pronunciation: [key] one of an American breed of large semi-longhaired domestic cats with a shaggy ruff and a long, bushy tail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Maine Maine-et-Loire Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language