verb (used with object), ho·ly·stoned, ho·ly·ston·ing.
Examples from the Web for holystone
If my boot should leave a stain on the marble, George must not holystone it away.
A small flint or stone having a natural hole in it, and worn as a charm, is also called a holystone.
Birch stooped over his holystone, and Peters turned to go forward again.The Pirate Shark|Elliott Whitney
On deck, the men began to holystone the planks, polish up the brasswork, and make everything shipshape for port.
I need scarcely explain that holystone is a large soft stone, used with water, for scrubbing the dirt off the ship's decks.
The Malay swung aside; the holystone crunched into the sack of eggs and slid to earth.Cursed|George Allan England