Dredger
Dredger (drej"ẽr) , noun
1.
One who fishes with a dredge.
2.
A dredging machine.
Dredger , noun
(Cookery) A box with holes in its lid; -- used for sprinkling flour, as on meat or a breadboard; -- called also dredging box, drudger, and drudging box.