Proper noun
the Tigris
A river in Southwest Asia flowing 1,150 miles east-southeast from the Armenian Highland in Turkey through Iraq. It forms the eastern edge of classical Mesopotamia. It unites with the Euphrates River to form the Shatt al-Arab before flowing into the Persian Gulf.
After dispatching Tiamat with the "arrows of his winds" down her throat and constructing the heavens with the arch of her ribs, Enlil places her tail in the sky as the Milky Way, and her crying eyes become the source of the Tigris and Euphrates. Source: Internet
Beyond predation by other large predators (rarely by wolf packs or Siberian tigers (Panthera tigris altaica)) and brown bears, starvation and accidents claim a few cubs. Source: Internet
Cassius' army returned to the field in 166, crossing over the Tigris into Media. Source: Internet
Barnes, Constantine and Eusebius, 18; Potter, 293. Galerius continued moving down the Tigris, and took the Persian capital Ctesiphon before returning to Roman territory along the Euphrates. Source: Internet
Dams were used to control the water level, for Mesopotamia's weather affected the Tigris and Euphrates rivers. Source: Internet
Ctesiphon By mid-May, the army had reached the vicinity of the heavily fortified Persian capital, Ctesiphon, where Julian partially unloaded some of the fleet and had his troops ferried across the Tigris by night. Source: Internet