jacket potato jacket crown • jacketed · · · Info · Definitions · Characters · · jacket potato · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) a baked potato served with the jacket on. Synonyms: jacket potato. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 j latin small letter j U+006A k latin small letter k U+006B o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074