Hiddekel [E] [S]Ancient name of the Tigris River Genesis 2:14 ; Daniel 10:4 [E] indicates this entry was also found in Easton's Bible Dictionary[S] indicates this entry was also found in Smith's Bible DictionaryBibliography InformationNave, Orville J. "Entry for 'Hiddekel'". "Nave's Topical Bible". . 1896.