A slide of a large mass of dirt and rock down a mountain or cliff.

synonym: landslide.

Roget 306: descent, descension^†, declension, declination; fall; falling etc. v.; slump; drop, plunge, plummet, cadence; subsidence, collapse, lapse; downfall, tumble, slip, tilt, trip, lurch; cropper, culbute^†; titubation^†, stumble; fate of Icarus.    avalanche, debacle, landslip, landslide.    declivity, dip, hill.    [equipment for descending by rappeling] rappel.    ... show more

Dutch: lawine, aardverschuiving, grondverschuiving, landverschuiving
Polish: osuwisko, osypisko, zsuw