Strong's #3458: 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.

Thayer's Greek Lexicon:

́

mulos

1) a mill stone

1a) a large mill consisted of two stones, an upper and an under one

1b) the "nether" stone was stationary, but the upper one was turned by an ass

2) a mill, the noise made by a mill

Part of Speech: noun masculine

Relation: probably ultimately from the base of G3433 (through the idea of hardship)

Usage:

This word is used 4 times:

 

Matthew 18:6: "me, it were better for him that a millstone were hanged about"
Luke 17:2: "It were better for him that a millstone were hanged about his"
Revelation 18:21: "a stone like a great millstone, and cast it into the"
Revelation 18:22: "any more in thee; and the sound of a millstone shall be heard no more at all"