inland body of salt water on the Israeli-Jordanian border: c. 390 sq mi (1,010 sq km); surface, c. 1,349 ft (411 m) below sea level (the lowest known point on earth)
See Dead Sea in American Heritage Dictionary 4
A salt lake, about 397 m (1,300 ft) below sea level, between Israel and Jordan. It is one of the saltiest bodies of water known and is the lowest point on the surface of the earth.