Geol. a raised, usually elongated, rock mass between two faults
Origin of horstGer, origin, originally , thicket, probably ; from Indo-European an unverified form ku?s-to- ; from base an unverified form ku?s-, thicket, tree from source Old Irish crann, thicket
A mass of the earth's crust that lies between two faults and is higher than the surrounding land.
Origin of horstGerman, from Middle High German hurst, thicket, from Old High German.