seleucian
/ˌsɛljuːˈsiːən/Definitions
1. adjective
relating to or characteristic of the Seleucids, a Greek dynasty that ruled a vast territory in Western Asia after the death of Alexander the Great.
“The Seleucian Empire was a vast and influential power in the ancient world.”
2. noun
a member of the Seleucid dynasty.
“He was a Seleucian king who ruled over a vast territory in Mesopotamia.”