from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A depression of the strata on one side of a fault
from the GNU version of the Collaborative International Dictionary of English
- n. The sudden drop or depression of the strata of rocks on one side of a fault. See throw, n.
from The Century Dictionary and Cyclopedia
- n. In mining, a dislocation of the strata by which any bed of rock or seam of coal has been brought into a position lower than that it would otherwise have occupied. See dislocation and fault.
Sorry, no etymologies found.