proprietorship certificate proprietorship • proprietory · · · Info · Definitions · Characters · · proprietorship certificate · · Text Common · · Latin · · Scripts 26 · · Length 8 · · Syllables Definitions · · · (noun) a certificate showing who is responsible in an individually owned business. Synonyms: proprietorship certificate. · · 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 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074