from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Stone that is quarried in thin pieces.
from The Century Dictionary and Cyclopedia
- n. In English geology, a rock forming a part of a series of rough, shelly, sandy limestones, with layers of marl and sandstone, occurring in the Lower or Bath Oölite. The shale series is sometimes called the Ragstone or Ragstone series.
- n. In masonry, stone quarried in thin blocks or slabs.
- n. The weathered first bed or upper layer of a quarry in England. Also raggstone.
rag + stone (Wiktionary)