from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of sedimentary rock, similar to sandstone but coarser.
from The Century Dictionary and Cyclopedia
- n. Same as grit, 3.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a hard coarse-grained siliceous sandstone
grit + stone (Wiktionary)