'River' in the Bible

David smote also Hadadezer the son of Rehob, king of Zobah, as he went to recover his dominion at the River.

And Hadarezer sent, and brought out the Syrians that were beyond the River: and they came to Helam, with Shobach the captain of the host of Hadarezer at their head.

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.