Easton's Bible Dictionary (1897)
, the mount of the Divine presence, Mount Zion. But here the king of Babylon must be taken as expressing himself according to his own heathen notions, and not according to those of the Jews. The “mount of the congregation” will therefore in this case mean the northern mountain, supposed by the Babylonians to be the meeting-place of their gods. ” This mountain was regarded in their mythology as the place where the gods had their seat.