Numbers 21:15

15 and the ravines that extend to the settlement of Ar and lie along the border of Moab.

Numbers 21:15 Meaning and Commentary

Numbers 21:15

And at the stream of the brooks that goeth down to the
dwelling of Ar
All that part of the country which lay upon the stream, as far as the city of Ar, the metropolis of Moab, called Ar of Moab, ( Isaiah 15:1 ) ,

and lieth upon the border of Moab;
as that city did; so far goes the quotation out of the aforesaid book, as a proof of what was taken by the Amorites from the Moabites, and were not in their possession when Israel were upon their borders; and therefore, in taking them from the Amorites, did no wrong to Moab.

Numbers 21:15 In-Context

13 From there they marched and camped across the Arnon in the desert that extends from the border of the Amorites, for the Arnon was the border of Moab, between Moab and the Amorites.

14 For this reason the scroll of the LORD's wars says: Waheb in Suphah and the ravines. The Arnon

15 and the ravines that extend to the settlement of Ar and lie along the border of Moab.

16 From there they marched to Beer, the well where the LORD said to Moses, "Gather the people, and I'll give them water."

17 Then the Israelites sang this song: "Well, flow up! Sing about it!