G3458 — mulos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
mulos — pronounced moo'-los
probably ultimately from the base of 3433 (through the idea of hardship); a "mill", i.e. (by implication), a grinder (millstone):--millstone. see GREEK for 3433
4 occurrences in the KJV.
Matthew 18:6
But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and that he were drowned in the depth of the sea.
Luke 17:2
It were better for him that a millstone were hanged about his neck, and he cast into the sea, than that he should offend one of these little ones.
Revelation 18:21
And a mighty angel took up a stone like a great millstone, and cast it into the sea, saying, Thus with violence shall that great city Babylon be thrown down, and shall be found no more at all.
Revelation 18:22
And the voice of harpers, and musicians, and of pipers, and trumpeters, shall be heard no more at all in thee; and no craftsman, of whatsoever craft he be, shall be found any more in thee; and the sound of a millstone shall be heard no more at all in thee;