'Lower' in the Bible

and in the valley, Beth-haram and Beth-nimrah and Succoth and Zaphon, the rest of the kingdom of Sihon king of Heshbon, with the Jordan as a border, as far as the lower end of the Sea of Chinnereth (Galilee) east of the Jordan.

Achsah answered, “Give me a blessing; since you have given me the [dry] land of the Negev (South country), give me springs of water, too.” So he gave her the upper springs and the lower springs.

It went down westward to the territory of the Japhletites, as far as the outskirts of lower Beth-horon, then to Gezer, and it ended at the sea.

Then the border continued southward toward Luz, to the slope of Luz (that is, Bethel); then the border went down to Ataroth-addar, by the hill that lies south of lower Beth-horon.