What is the meaning of Moloch?

Any of species Moloch horridus of Australian lizards, sole species of the genus Moloch.

anything large, untransparent and cumbersome, particularly a bureaucratic body

moloch (lizard)

moloch

behemoth, colossus, juggernaut, leviathan (thing which is monstrously great in size or strength)

moloch, thorny devil (Moloch horridus)

Source: wiktionary.org