Edrei means in the bible: 1 Og, the king of Bashan is located east of Jordan in the territory that was allotted to Manasseh Num. 21:33; Deut. 1:4; 3:1, 10; Josh. 12:4; 13:12, 31. Modern excavations revealed an intricately constructed subterranean city with streets and shops on Edra’ah, the site that was once called Edra’ah.
(in Bible Dictionary)