# Seleucia-on-Tigris

> English word · Proper noun

## Definitions
1. The capital of the Seleucid Empire, and a major city in Parthian and Sasanian periods

## Etymology
From Latin Seleucia ad Tigrim, from its position on the Tigris River, used to distinguish it from other Seleucias.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/seleucia-on-tigris