Boyd’s Bible Dictionary:
(scorpion). A range forming a south boundary of Judah (Num. 34:4). Maalehacrabbim (Josh. 15:3). An Amorite boundary (Judg. 1:36).
Concise Bible Dictionary:
Ascent or mountain pass at the south of the Dead Sea, which formed the border of Palestine, and was also the “coast” of the Amorites (Num. 34:4; Judg. 1:36). Also called MAALEH-ACRABBIM in Joshua 15:3. Supposed to be some miles south of the Dead Sea, but the spot has not been identified.
Jackson’s Dictionary of Scripture Proper Names:
scorpions