from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The slow, downhill movement of soil or other material in areas typically underlain by frozen ground.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Soil creep caused by waterlogged soil slowly moving downhill on top of an impermeable layer.
Latin solum, soil + Latin flūctiō, flūctiōn-, a flowing (from flūctus, past participle of fluere, to flow).(American Heritage® Dictionary of the English Language, Fourth Edition)