holystone n a soft sandstone used for scrubbing the decks of a ship v scrub with a holystone holystone the ship's deck Usage(s) Six days shalt thou labor and do all thou art able, And on the seventhholystone the decks and scrape the cable. She plans to spend the coming winteras if in an attempt to holystone an overstuffed literary positionverse-pamphleteering about current events. When the mutineers try to make the captain holystone the deck, he kills the sober ringleader and is killed himself.