holystone

/ˈhoʊliˌstoʊn/
noun
  1. A soft sandstone used for scrubbing the wooden decks of ships.
    • The old ship still had a supply of holystone in the storage locker.
    • A bucket of seawater and a piece of holystone were the main tools for deck cleaning.
    • The sailors used a block of holystone to scrub the deck until it was white.
verb
  1. To scrub a ship's deck with a holystone.
    • They would holystone the planks until the wood gleamed in the sunlight.
    • He learned how to holystone properly during his first week at sea.
    • The crew had to holystone the deck every morning before inspection.
Synonyms
What does "holystone" mean? | whatsthatwordmean | whatsthatwordmean