Smith's Bible Dictionary (1863)
(double mound), a fortified city built by Rehoboam, (2 Chronicles 11:9) in Judah. Adoraim is probably the same place with Adora, 1Ma 13:20 Unless that be Dor, on the seacoast below Carmel. Robinson identifies it with Dura, a “large village” on a rising ground west of Hebron.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ADORA'IM (double mound), a city of Judah fortified by Rehoboam, 2 Chr 11:9; supposed to be the modern Dura, about 6 miles west of Hebron.
Hitchcock's Bible Names (1869)
strength of the sea