Lachish means in the bible: The city of Amorites between Hebron and Josh. 10:3, 5, 23-35, 31-35; 12:00; later included in Judah 15.39; strengthened by Rehoboam 2. Chr. 11:9; Amaziah died 2 Kgs. 14:19; 2 Chr. 25:27. Sennacherib 2Kgs captured it. 18:17; 2 Chr. 18:17; 2 Chr. Following the Return Lachish, Neh occupied it again. 11:30.
(in Bible Dictionary)