'Grind' in the Bible

And the Philistines laid hold on him, and put out his eyes; and they brought him down to Gaza, and bound him with fetters of brass; and he did grind in the prison-house.

Then let my wife grind unto another, And let others bow down upon her.

what mean ye that ye crush my people, and grind the face of the poor? saith the Lord, Jehovah of hosts.

Bread grain is ground; for he will not be always threshing it: and though the wheel of his cart and his horses scatter it, he doth not grind it.

Take the millstones, and grind meal; remove thy veil, strip off the train, uncover the leg, pass through the rivers.