Double rebellion, probably a symbolical name given to Babylon (Jer. 50:21), denoting rebellion exceeding that of other nations.
Merathaim
1 verse
Jeremiah
Jeremiah 50:21
Go up against the land of Merathaim, even against it, and against the inhabitants of Pekod: waste and utterly destroy after them, saith the LORD, and do according to all that I have commanded thee.
From Easton's Bible Dictionary
Matthew George Easton, 1897
From Smith's Bible Dictionary
William Smith, 1884
(double rebellion), The land of, alluding to the country of the Chaldeans, and to the double captivity which it had inflicted on the nation of Israel. (Jeremiah 50:21)