colluvium.

Loose material accumulated at the foot of a slope mainly through gravity-driven movement.

Use it for

Words that belong together

• hillside colluvium
• colluvial deposit

On the page

Their boots sank into colluvium below the scarred slope.

Colluvium buried the lower edge of the old track.

Usage notes

Primary category: environment. Forms: Usually uncountable; plural colluvia for distinct deposits or types. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.