Numbers 21:15

15 The slope of the valleys That inclines toward the dwelling of Ar, Leans on 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 journeyed, and encamped on the other side of the Arnon, which is in the wilderness, that comes out of the border of the Amorites: for the Arnon is the border of Moab, between Moab and the Amorites.

14 Therefore it is said in the book of the Wars of Yahweh, Vaheb in Suphah, The valleys of the Arnon,

15 The slope of the valleys That inclines toward the dwelling of Ar, Leans on the border of Moab.

16 From there [they journeyed] to Beer: that is the well whereof Yahweh said to Moses, Gather the people together, and I will give them water.

17 Then sang Israel this song: Spring up, well; sing you to it: