from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mass of the earth's crust that lies between two faults and is higher than the surrounding land.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an area of the earth's surface which is raised relative to surrounding land
German, from Middle High German hurst, thicket, from Old High German.(American Heritage® Dictionary of the English Language, Fourth Edition)
German Horst ("heap"). (Wiktionary)