great schism great saphenous vein • great seal · · · Info · Definitions · Characters · · great schism · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) the period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in Avignon. Synonyms: Great Schism. · · 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 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074