'Millstone' in the Bible
"A person shall not take a pair of millstones or an upper millstone, for {he is taking necessities of life as a pledge}.
But a certain woman threw an upper millstone on Abimelech's head and cracked open his skull.
Who killed Abimelech the son of Jerub-bosheth, if not a woman who threw an upper millstone on him from [atop] the wall and he died at Thebez? Why did you go near the wall?' Then you shall say, 'Your servant Uriah the Hittite also died.'"
Its heart is cast as stone; yes, it is cast as [the] lower millstone.
But whoever causes one of these little ones who believe in me to sin, it would be better for him that {a large millstone} be hung on his neck and he be drowned in the depths of the sea.
"And whoever causes one of these little ones who believe in me to sin, it is better for him if instead {a large millstone} is placed around his neck and he is thrown into the sea.
It would be better for him if {a millstone} is placed around his neck and he is thrown into the sea than that he causes one of these little ones to sin.
And one powerful angel picked up a stone like a great millstone and threw [it] into the sea, saying, "In this way Babylon the great city will be thrown down with violence, and will never be found again!