Hiddekel

Strong’s Dictionary of Hebrew Words:

Transliteration:
Chiddeqel
Phonic:
khid-deh’-kel
Meaning:
probably of foreign origin; the Chiddekel (or Tigris) river
KJV Usage:
Hiddekel

Jackson’s Dictionary of Scripture Proper Names:

riddle of the (date) palm: riddle of lightness

Potts’ Bible Proper Names:

Quick flowing; an influx; sharp voice or sound:―one of the rivers of Eden, Gen. 2:14. {Celeriter fluens}