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dredge up

1. Literally, to take out material in order to increase the depth of a body of water. A noun or pronoun can be used between "dredge" and "up." I think we can deepen the pond by dredging up some more sand.
2. To pull something from the depths of a body of water. A noun or pronoun can be used between "dredge" and "up." Hopefully, the divers will be able to dredge up more pieces of the plane today, and we can start analyzing them.
3. By extension, to resume the discussion of something (usually something unpleasant or troublesome). A noun or pronoun can be used between "dredge" and "up." Can we all please try not to dredge up old hurts at this year's Thanksgiving dinner?
4. To find or obtain something after much searching. A noun or pronoun can be used between "dredge" and "up." What else can we do to dredge up support for this petition? I was able to dredge up some of the suspect's financial records.
See also: dredge, up

dredge someone or something

1. . Lit. to scoop something up from underwater. The workers dredged the lifeless body up from the cold black water. They dredged up the mud from the riverbed.
2. Fig. to use some effort to seek and find someone or something. I will see if I can dredge a date up for Friday. Can you dredge up a date for me? I don't have a wrench here, but I'll see if I can dredge one up from the basement.

dredge up

1. To deepen some body of water by digging and removing material from its bottom: They'll have to dredge up the river, or else the larger ships won't be able to pass through. Because the stream was hard to navigate, the farmer paid someone to dredge it up.
2. To raise something from the bottom of a body of water: The workers dredged up a car from the bottom of the lake. They dredged a lot of garbage up from the bottom of the canal.
3. To bring something back into discussion or importance, especially something unpleasant: I wish you hadn't dredged up that issue with our boss. I had been content to forget about the accident until my neighbor dredged it up by asking me questions about it.
See also: dredge, up
References in periodicals archive ?
2000, Siltation at a capital dredged site in Cochin harbor, SW coast of India", Indian journal of Marine Sciences.
The remainder of the dredged material would then be added with the filled-in dock, providing development land for the Port of Tyne.
when a waterway of natural depth of thirty feet is dredged to a depth of forty feet.
The more dramatic change on the dredged plots can only be ascribed to dredging breaking up the bed surface.
Preliminary test results of the stockpiled materials found that the primary contamination source in the dredged piles is pieces of ore or slag.
A total of 23,234 cubic yards of material were dredged and placed on the side slopes of the neighboring deeper Wax Lake Outlet (or below the - 30-foot contour), no closer than 110 and 150 feet from the bottom of the respective West and East floodgate cuts.
The rapidly ascending air carries the dredged material to surface.
The Company owns a 50 percent interest in a marine sand mining operation in New Jersey that supplies sand and aggregate for road and building construction and a 50 percent interest in an environmental service operation with the ability to remediate soil and treat dredged sediment.
Flooding worsened by lack of dredging IT was reported that the Royal Winter Fair was flooded over the showground, and 20 cars lost to flood water, because the River Wye is not now getting dredged.
After the dredging finishes, backfilling, or filling the dredged areas with clean sand, will then take place which usually takes a few weeks.
They haven't dredged here in a long time, but they are looking at it now," he says.
Sand dredged from the Bristol Channel is supplied mainly to the building industry in south east Wales.
The 1,584-foot berth will be dredged to a depth of 41 feet at mean-low-water and is on target for completion in October.
Contract notice: disposal (use, recovery or disposal) of dredged material as part of the development of the elbe-havel canal, construction phase s 92 ehk-km 377,700 - 379,000 period 2018 - 2019.
In 2014 approximately 575,000 cubic yards of PCB-contaminated sediment were dredged from the bottom of the river, exceeding the annual goal of 350,000 cubic yards.