caste system caste mark • caste-ridden · · · Info · Definitions · Characters · · caste system · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a social structure in which classes are determined by heredity. Synonyms: caste system. · · 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 m latin small letter m U+006D s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079