mackinaw boat mackinaw blanket • mackinaw coat · · · Info · Definitions · Synonyms · Characters · · mackinaw boat · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a flat-bottomed boat used on upper Great Lakes. Synonyms: mackinaw, Mackinaw boat. · · Noun Definition 1 Synonyms · · · mackinaw · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 k latin small letter k U+006B m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 w latin small letter w U+0077