Smith's Bible Dictionary (1863)
is, according to the ordinary interpretation of (12:11) a place in the valley of Megiddo (a part of the plain of Esdraelon, six miles from Mount Carmel and eleven from Nazareth), where a national lamentation was held for the death of King Josiah. It was named after two Syrian idols.
Hitchcock's Bible Names (1869)
invocation to the god Rimmon