from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The rock that forms the walls of a vein or lode.
from the GNU version of the Collaborative International Dictionary of English
- n. granular limestone used in building walls.
from The Century Dictionary and Cyclopedia
- n. In mining, the rock forming the walls of a vein; the country-rock.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rock immediately adjacent to a vein or fault
Sorry, no etymologies found.