A barge (or a vessel resembling a barge) that is used for dredging.

Roget 307: elevation; raising etc. v.; erection, lift; sublevation^†, upheaval; sublimation, exaltation; prominence etc. (convexity) 250.    lever etc. 633; crane, derrick, windlass, capstan, winch; dredge, dredger, dredging machine.    dumbwaiter, elevator, escalator, lift.    ... show more

Dutch: baggermachine, baggermolen, baggerschip, moddermolen
Polish: bagier, bagrownica, pogłębiarka, szlamownik, czerpaczka, czerparka, draga