Strong's #7347: recheh (pronounced ray-kheh')

from an unused root meaning to pulverize; a mill-stone:--mill (stone).

Brown-Driver-Briggs Hebrew Lexicon:

rêcheh

1) handmills

1a) a pair of millstones for grinding

Part of Speech: noun masculine dual

Relation: from an unused root meaning to pulverise

Usage:

This word is used 6 times:

 

Exodus 11:5: "the firstborn of the maidservant that is behind the mill; and all the firstborn of beasts."
Numbers 11:8: "went about, and gathered it, and ground it in mills, or beat it in a mortar, and baked"
Deuteronomy 24:6: "No man shall take the nether or the upper millstone to pledge: for he"
Deuteronomy 24:6: "man shall take the nether or the upper millstone to pledge: for he taketh"
Isaiah 47:2: "Take the millstones, and grind meal: uncover thy locks, make bare the leg,"
Jeremiah 25:10: "and the voice of the bride, the sound of the millstones, and the light of the candle."