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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?
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 ?
The dredge represents a strategic investment by the Company in providing the most productive, efficient and capable dredging equipment in the domestic industry.
We look forward to implementing this innovative method in future dredging campaigns to further benefit the stakeholders.
Suction dredging helps mitigate the damage caused by these practices.
Once the mapping process was completed the Association would be able to identify those areas that needed dredging and quantifying the amount of material to remove.
If observers see a marine animal get injured, they halt the dredging operation, document the incident, and contact the proper authorities, including the USACE district, NMFS, and a wildlife rehabilitation facility.
Xiangyu Dredging has been listed on the Stock Exchange of Hong Kong (SEHK: 0871) on 20 June 2011.
Dredging International is a Belgian hydraulic engineering, dredging and offshore contractor with current works under construction on every continent of the globe.
Basin dredging, about half of the work has been done, but still deepening is required to enable the mother vessels to come inside.
Presumably, if dredging promotes resuspension of sediment bound indicator organisms, it should resuspend all sedimented bacteria, including other faecal indicators and enteric pathogens.
PLANS to stop dredging in part of the Bristol channel have been welcomed by beach campaigners.
TT2, the company behind the construction of a second crossing between Howdon and Jarrow, were given permission to start dredging the riverbed from last weekend.
A COMPROMISE has been reached over controversial plans to change dredging dates for the new Tyne tunnel.
When an obstacle blocks the intake, it is automatically and immediately cleared by the dredge head itself, and then immediately the dredge head goes back to dredging again.
ENVIRONMENTAL concerns about dredging should be given "a fair hearing" before plans for dredging more sand in the Bristol Channel go ahead, Plaid Cymru AM Chris Franks has said.
Aspokesman for the docks company said she was sold due to her age and to bring Liverpool into line with other ports in the parent Peel Ports group who use contract dredging to keep shipping lanes open.