/ Dictionary / Index M mackinaw: Meaning and Definition of Find definitions for: mack•i•naw Pronunciation: (mak'u-nô"), [key] — n. a short double-breasted coat of a thick woolen material, commonly plaid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mackinaw (Thesaurus) Mackinac Bridge Mackinaw blanket Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language