1orSeleucia Tra·che·o·tis
\ˌtrā-kē-ˈō-təs\
ancient city SE Asia Minor in Cilicia SW of Tarsus2ancient city, chief city of the Seleucid Empire; ruins now in Iraq on the Tigris SSE of Baghdad3orSeleucia Pi·er·ia
\pī-ˈir-ē-ə, -ˈer-\
ancient city Asia Minor N of mouth of the Orontes; port for Antioch