"dredges" in the noun sense
a power shovel to remove material from a channel or riverbed
"dredges" in the verb sense
cover before cooking
"dredge the chicken in flour before frying it"
2. dredge, drag
search (as the bottom of a body of water) for something valuable or lost
remove with a power shovel, usually from a bottom of a body of water
Source: WordNet® (An amazing lexical database of English)
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