Mesopotamia means in the bible: Hebrew Aram-naharaim see Ps. 60 heading, Aram, of the two rivers Euphrates, and Tigris. This name is used to describe the fertile country that lies between these rivers. Nahor, who left Ur of Chaldees Gen. 24,:10 settled in this area. Other members of Abraham’s family also remained here after he moved to Canaan. Refer to Aram.
(in Bible Dictionary)