holystone
1. [ noun ] (geology) a soft sandstone used for scrubbing the decks of a ship
Related terms: sandstone
2. [ verb ] (nautical) scrub with a holystone, as of a ship's deck
Related terms: scrub
Similar spelling:   Holston
  Holstine
  Holste
  holster
  Holsten
  Holstein
  Hollister