a.ro.er is a proper place-name used for a settlement and as a geographic point in territorial descriptions.

The supplied verses consistently use this noun proper as a place-name: most often as a point from which land, borders, or military movement is described, and also as a settled place with inhabitants, cities, or villages.

1. Place-name in territorial and narrative settings · dominant

   The form is marked Noun · Proper throughout. In Deuteronomy 2:36 the APB renders Aroer as a starting point on the Arnon torrent for a description reaching to Gilead, while Joshua 13:9 places it at the beginning of a boundary description; in Judges 11:26 it is named with its villages among cities beside the Arnon.

   Deuteronomy 2:36Deuteronomy 3:12Joshua 13:9Joshua 13:25Judges 11:262 Samuel 24:5

In the Anselm Project Bible: The APB regularly presents the name as “Aroer” in territorial, travel, settlement, and conflict narratives. Its surrounding geographic detail confirms the verse setting rather than supplying a separate lexical meaning.