Lewis & Short

1. Antĭŏchensis, e, adj. [Antiochia], of or belonging to Antiochia: plebs, Amm. 14, 7.
Hence, in plur.: Antĭŏchenses, ium, m., the inhabitants of Antiochia, Caes. B. C. 3, 102; Tac. H. 2, 80; 2, 82 al.