ˌFertile ˈCrescent, the BrE AmE
an area in the Middle East in the shape of a ↑ crescent (=a curved shape) from Israel to the Gulf, including the land around the rivers Tigris and Euphrates. Several important ancient ↑ civilization s were based there, such as the Assyrian and Sumerian civilizations. ⇨ ↑ Babylon , ↑ Mesopotamia