Definitions

1. noun

A deposit of loose, unstratified soil or sediment, typically resulting from the erosion of nearby hills or cliffs, and deposited at the foot of them.

“The geologist studied the layers of colluvium at the base of the mountain to understand the region’s geological history.”

2. noun

In archaeology, a deposit of debris, waste, or other material that has accumulated at the site of human activity.

“The excavation team carefully sorted through the colluvium to uncover artifacts from the ancient civilization.”