Definitions

1. noun

a device for raising or moving material (such as sand or mud) from a water bottom to the surface

“The boat’s crew used a dredge to clear the harbor’s entrance.”

2. verb

to raise or move material (such as sand or mud) from a water bottom to the surface, especially with a dredge

“They dredged the riverbed to improve the water’s quality.”

3. verb

to remove or uncover something from a hidden or buried position

“The archaeologists dredged up ancient artifacts from the site.”

4. verb

to search or look for something, especially in a casual or superficial way

“She dredged up memories from her childhood.”

5. noun

a quantity of something that is difficult to remember or recall

“I have a dredge of a memory from that day.”

6. verb

to make something seem or appear old-fashioned or out of date

“The new technology will dredge up the old ways of doing things.”