East sea
(Joel 2:20; Ezek. 47:18), the Dead Sea, which lay on the east
side of the Holy Land. The Mediterranean, which lay on the west,
was hence called the "great sea for the west border" (Num.
34:6).
Bibliography Information Easton, Matthew George. M.A., D.D., "Biblical Meaning for 'East sea' Eastons Bible Dictionary". bible-history.com - Eastons; 1897.