Singăra, ōrum, n.,
a city of Mesopotamia , the capital of the Arabes Praetavi, Plin. 5, 24, 21, § 86.—Hence, adj.: Singărē-nus , a, um, of or belonging to Singara : congressiones, Sext. Ruf. Brev. 27.
SI´NGARA(τὰ Σίγγαρα, Dio Cass.), a strongly fortified post at the northern extremity of Mesopotamia,...
Dictionary of Greek and Roman Geography