a. 1. Pertaining to Antiochus, a contemporary with Cicero, and the founder of a sect of philosophers. [ 1913 Webster ]

2. Of or pertaining to the city of Antioch, in Syria. [ 1913 Webster ]

Antiochian epoch (Chron.), a method of computing time, from the proclamation of liberty granted to the city of Antioch, about the time of the battle of Pharsalia, B.C. 48. [ 1913 Webster ]