'Millstone' in the Bible
No man shall take the mill or the upper millstone to pledge; for he taketh a man's life to pledge.
And a certain woman cast an upper millstone upon Abimelech's head, and brake his skull.
who smote Abimelech the son of Jerubbesheth? did not a woman cast an upper millstone upon him from the wall, so that he died at Thebez? why went ye so nigh the wall? then shalt thou say, Thy servant Uriah the Hittite is dead also.
His heart is as firm as a stone; Yea, firm as the nether millstone.
But whoso shall cause one of these little ones that believe on me to stumble, it is profitable for him that a great millstone should be hanged about his neck, and that he should be sunk in the depth of the sea.
And whosoever shall cause one of these little ones that believe on me to stumble, it were better for him if a great millstone were hanged about his neck, and he were cast into the sea.
It were well for him if a millstone were hanged about his neck, and he were thrown into the sea, rather than that he should cause one of these little ones to stumble.
And a strong angel took up a stone as it were a great millstone and cast it into the sea, saying, Thus with a mighty fall shall Babylon, the great city, be cast down, and shall be found no more at all.