What is the meaning of Scree?

Loose stony debris on a slope.

Similar debris made up of broken building material such as bricks, concrete, etc.

A slope made up of scree at the base of a cliff, mountain, etc.

To traverse scree downhill.

A harsh, high-pitched sound or cry (as of a hawk).

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

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

A coarse sieve.

Source: wiktionary.org