Strong's #4850: Mrathayim (pronounced mer-aw-thah'-yim)
dual of 4751 feminine; double bitterness; Merathajim, an epithet of Babylon:--Merathaim.
Brown-Driver-Briggs Hebrew Lexicon:
merâthayim
Merathaim = "double rebellion"
1) another name for ' Babylon'
Part of Speech: noun proper feminine
Relation: dual of H4751
Usage:
This word is used 1 times:
Jeremiah 50:21: "Go up against the land of Merathaim, even against it, and against the inhabitants of Pekod:"