stonefall

The fall of loose stones from a natural surface.

Noun

  1. The fall of loose stones from a natural surface.
    • The North Face of the Eiger is notoriously fickle, frequently rebuffing the world’s most experienced climbers with stonefall, storms and avalanches. - 2007 August 4, Stephen Venables, “In the Alps, a Conquest Takes Two...

Origin

From stone + fall.

Forms

stonefalls