Where it appears

• Exod 11:5and all the firstborn in the land of Egypt shall die, from the firstborn of Pharaoh who sits on his throne, even to the firstborn of the female servant who is behind the mill; and all the firstborn of livestock.
• Num 11:8The people went around, gathered it, and ground it in mills, or beat it in mortars, and boiled it in pots, and made cakes of it. Its taste was like the taste of fresh oil.
• Deut 24:6No man shall take the mill or the upper millstone as a pledge; for he takes a life in pledge.
• Isa 47:2Take the millstones, and grind flour. Remove your veil, lift up your skirt, uncover your legs, and wade through the rivers.
• Jer 25:10Moreover I will take from them the voice of mirth and the voice of gladness, the voice of the bridegroom and the voice of the bride, the sound of the millstones, and the light of the lamp.