Siraci
Could not find Siracorum in Logeion dictionaries.
Siracorum Proper-name noun: masculine genitive plural of Siraci
Siraci, ōrum, m.,
- a people of Asiatic Sarmatia, Plin. 4, 12, 26, § 83; Tac. 12, 15 and 16.
Siracī, (15) ōrum, m. , peuple de Sarmatie : Tac. Ann. 12, 15.