dredge
dredge1 / drej/ • v. [tr.] clean out the bed of (a harbor, river, or other area of water) by scooping out mud, weeds, and rubbish with a dredge. ∎ bring up or clear (something) from a river, harbor, or other area of water with a dredge: mud was dredged out of the harbor | [intr.] they start to dredge for oysters in November. ∎ (dredge something up) fig. bring to people's attention an unpleasant or embarrassing fact or incident that had been forgotten: I don't understand why you had to dredge up this story.• n. an apparatus for bringing up objects or mud from a river or seabed by scooping or dragging. ∎ a dredger.dredge2 • v. [tr.] sprinkle (food) with a powdered substance, typically flour or sugar: dredge the bananas with sugar and cinnamon.