DictionarytalusRock debris slope
noun

talus

A sloping pile of rock fragments below a cliff.

Talus forms a steep slope beneath the towering cliff.

Etymology

The French source means slope or embankment. Geology specializes it to the sloping accumulation of fallen rock below a cliff.

More examples

  • The hikers cross the loose talus carefully.
  • Falling rocks add fresh fragments to the talus below.
  • Small plants grow between the rocks on the talus slope.

Forms

talus · taluses

Similar words

scree
Often interchangeable, but commonly suggests smaller loose rock fragments.
rubble
Loose broken stone, not necessarily piled beneath a cliff.