dredge
verb
[ drɛdʒ ]
• clear the bed of (a harbour, river, or other area of water) by scooping out mud, weeds, and rubbish with a dredge.
• "the lower stretch of the river had been dredged"
dredge
noun
• an apparatus for bringing up objects or mud from a river or seabed by scooping or dragging.
Origin:
late 15th century (as a noun; originally in dredge-boat ): perhaps related to Middle Dutch dregghe ‘grappling hook’.
dredge
verb
• sprinkle (food) with a powdered substance such as flour or sugar.
• "dredge the bananas with sugar and cinnamon"
Origin:
late 16th century: from obsolete dredge ‘sweetmeat, mixture of spices’, from Old French dragie, perhaps via Latin from Greek tragēmata ‘spices’. Compare with dragée.