scree

Loose rock debris covering a slope.

A slope of loose rock debris at the base of a steep incline or cliff.

A pile of debris at the base of a cliff; a talus.

A riddle or coarse sieve.

A pebble; a stone; also, a heap of stones or rocky débris.

A harsh high-pitched sound as of a hawk.

To make a high-pitched sound like that of a hawk.

Loose stony debris on a slope.

A slope of such material at the base of a cliff, etc.

To flatten or level concrete, while still wet, and clear protruding stones and gravel from the surface.