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Definition 2024

dredging

dredging ‎(plural dredgings)

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

that which is dredged up