fertile crescent

noun

1. an agricultural region extending from the Levant to Iraq.
2. an area in the Middle and Near East: formerly fertile, now partly desert.

noun

1. an area of fertile land in the Middle East, extending around the Rivers Tigris and Euphrates in a semicircle from Israel to the Persian Gulf, where the Sumerian, Babylonian, Assyrian, Phoenician, and Hebrew civilizations flourished