'River' in the Bible

saying to the sixth messenger who had the trumpet, 'Loose the four messengers who are bound at the great river Euphrates;'

and the serpent did cast forth after the woman, out of his mouth, water as a river, that he may cause her to be carried away by the river,

and the land did help the woman, and the land did open its mouth and did swallow up the river, that the dragon did cast forth out of his mouth;

And the sixth messenger did pour out his vial upon the great river, the Euphrates, and dried up was its water, that the way of the kings who are from the rising of the sun may be made ready;

And he shewed me a pure river of water of life, bright as crystal, going forth out of the throne of God and of the Lamb:

in the midst of its broad place, and of the river on this side and on that, is a tree of life, yielding twelve fruits, in each several month rendering its fruits, and the leaves of the tree are for the service of the nations;