holystone

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a soft sandstone used for scrubbing the decks of a ship (Freq. 1)
• Hypernyms:
sandstone

II - verb

scrub with a holystone
- holystone the ship's deck
• Hypernyms:
scrub, scour
• Verb Frames:
- Somebody ----s something