They joined battle with them. — Heb., they set themselves in array against them. As the five kings left their cities to do battle with the invaders “in the vale of Siddim,” it is plain, as was said in Genesis 14:3, that the vale embraces a far wider extent of country than merely the site of the five cities.
Related Commentaries of Genesis 14:8
Genesis 14:8
8 And there went out the king of Sodom, and the king of Gomorrah, and the king of Admah, and the king of Zeboiim, and the king of Bela (the same is Zoar;) and they joined battle with them in the vale of Siddim;