'River' in the Bible

David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.

And Hadarezer sent, and brought out the Syrians that were beyond the river: and they came to Helam; and Shobach the captain of the host of Hadarezer went before them.

Moreover, if he be gotten into a city, then shall all Israel bring ropes to that city, and we will draw it into the river, until there be not one small stone found there.

And they passed over Jordan, and pitched in Aroer, on the right side of the city that lieth in the midst of the river of Gad, and toward Jazer: