Easton's Bible Dictionary (1897)
Death; slaughter, the name of a Babylonian god, probably the planet Mars (Jer. 50:2), or it may be another name of Bel, the guardian divinity of Babylon. This name frequently occurs as a surname to the kings of Assyria and Babylon.
Smith's Bible Dictionary (1863)
(death), (Jeremiah 50:2) identical with the famous Babylonian Bel or Belus, the word being probably at first a mere epithet of the god, which by degrees superseded his proper appellation.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
MERO'DACH (death, slaughter), the name of an idol-god of the Babylonians; Belus, and represented by the planet Jupiter, and often applied as a surname to the Babylonish monarchs. Isa 39:1; Jer 50:2.
Hitchcock's Bible Names (1869)
bitter contrition