Sivan Sivaite • Sivapithecus · · · Info · Definitions · Characters · · Sivan · · Text Latin · · Script 5 · · Length Definitions · · · (noun) the ninth month of the civil year; the third month of the ecclesiastical year in the Jewish calendar (in May and June). Synonyms: Siwan. · · Noun Definition 1 Characters · · S latin capital letter s U+0053 a latin small letter a U+0061 i latin small letter i U+0069 n latin small letter n U+006E v latin small letter v U+0076