dredging
noun1
That which is dredged up.
- Soundings showed wide variations in depths of water, and from the dredgings of the bottom came new types of sediment […]2011, John P. Rafferty, Oceans and Oceanography, page 189:
2
The act of using a dredger or excavator to dredge a harbour, river, channel or watercourse.
- Derived terms
- data dredging, gold-dredging