Bible Meaning: Rapid (Hiddekel)
Strong's Concordance #H2313
Although the word Tigris is not found in the KJV Bible, the river is referenced through its Hebrew name Hiddekel (Genesis 2:14). It is one of the four rivers that split off the main stream that watered the Garden of Eden.
The phrase "the great river" is used to describe the Tigris in Daniel 10:4. All other Biblical occurrences of this phrase are referencing the Euphrates, the other great waterway of Mesopotamia (Genesis 15:18, Deuteronomy 1:7, Joshua 1:4, Revelation 9:14, 16:12).
The Assyria Empire cities of Halah, Calah, and its capital Nineveh, were all on the Tigris River.
In his prophecies against Nineveh, the minor prophet Nahum may have been referring to the Tigris when he stated, "The gates of the rivers shall be opened, and the palace shall be dissolved" (Nahum 2:6).
Genesis 2:10 - 11, 13 - 14
And a river went out of Eden to water the garden; and from thence it was parted, and became into four heads. The name of the first is Pison: that is it which compasseth the whole land of Havilah, where there is gold . . .
And the name of the second river is Gihon: the same is it that compasseth the whole land of Ethiopia. And the name of the third river is Hiddekel (Tigris): that is it which goeth toward the east of Assyria. And the fourth river is Euphrates.
Daniel 10:1 - 2, 4 - 5
In the third year of Cyrus king of Persia a thing was revealed unto Daniel, whose name was called Belteshazzar; and the thing was true, but the time appointed was long: and he understood the thing, and had understanding of the vision.
In those days I Daniel was mourning three full weeks.
And in the four and twentieth day of the first month, as I (Daniel the prophet) was by the side of the great river, which is Hiddekel (Tigris); Then I lifted up mine eyes, and looked, and behold a certain man clothed in linen, whose loins were girded with fine gold of Uphaz . . .