Numbers 21:15

15 The slope of the valleys going down to the tents of Ar and touching the edge 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 went on and put up their tents on the other side of the Arnon, which is on the waste land at the edge of the land of the Amorites; for the Arnon is the line of division between Moab and the Amorites:

14 As it says in the book of the Wars of the Lord, Vaheb in Suphah, and the valley of the Amon;

15 The slope of the valleys going down to the tents of Ar and touching the edge of Moab.

16 From there they went on to Beer, the water-spring of which the Lord said to Moses, Make the people come together and I will give them water.

17 Then Israel gave voice to this song: Come up, O water-spring, let us make a song to it: