0 a long river in western Asia that was one of the two great rivers of the ancient region of Mesopotamia:
The Garden of Eden was supposedly somewhere between the Tigris and the Euphrates.
The Tigris and Euphrates are the most dammed rivers in the world so there is tremendous water use all along them.
At their outdoor mosque along the Euphrates, a thousand people attended an afternoon sermon.
How far from the Persian Gulf do the Tigris and Euphrates rivers meet?
