The term DEAD SEA FEEDER is composed of five crossword solutions: YSER (4 letters), EMS (3 letters), ELBE (4 letters), URAL (4 letters), and KIDRON (6 letters). YSER is a river in Belgium and France, EMS is a river in Germany, ELBE is a river in Germany and the Czech Republic, URAL is a mountain range in Russia, and KIDRON is a valley in Jerusalem. All five of these rivers and locations feed into the Dead Sea.