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dredge1

[drej] /drɛdʒ/
noun
1.
Also called dredging machine. any of various powerful machines for dredging up or removing earth, as from the bottom of a river, by means of a scoop, a series of buckets, a suction pipe, or the like.
2.
a barge on which such a machine is mounted.
3.
a dragnet or other contrivance for gathering material or objects from the bottom of a river, bay, etc.
verb (used with object), dredged, dredging.
4.
to clear out with a dredge; remove sand, silt, mud, etc., from the bottom of.
5.
to take, catch, or gather with a dredge; obtain or remove by a dredge.
verb (used without object), dredged, dredging.
6.
to use a dredge.
Verb phrases
7.
dredge up,
  1. to unearth or bring to notice:
    We dredged up some old toys from the bottom of the trunk.
  2. to locate and reveal by painstaking investigation or search:
    Biographers excel at dredging up little known facts.
Origin
late Middle English
1425-1475
1425-75; late Middle English (Scots) dreg-, Old English *drecg(e); see dray, draw
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for dredged up

dredge1

/drɛdʒ/
noun
1.
Also called dredger. a machine, in the form of a bucket ladder, grab, or suction device, used to remove material from a riverbed, channel, etc
2.
another name for dredger1 (sense 1)
verb
3.
to remove (material) from a riverbed, channel, etc, by means of a dredge
4.
(transitive) to search for (a submerged object) with or as if with a dredge; drag
Word Origin
C16: perhaps ultimately from Old English dragan to draw; see drag

dredge2

/drɛdʒ/
verb
1.
to sprinkle or coat (food) with flour, sugar, etc
Word Origin
C16: from Old French dragie, perhaps from Latin tragēmata spices, from Greek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for dredged up

dredge

n.

late 15c., in Scottish dreg-boat "boat for dredging," perhaps ultimately from root of drag (possibly via Middle Dutch dregghe "drag-net"). The verb is attested from c.1500 in Scottish. Related: Dredged; dredging.

Online Etymology Dictionary, © 2010 Douglas Harper
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dredged up in the Bible

(Job 24:6). See CORN.

Easton's 1897 Bible Dictionary
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Encyclopedia Article for dredged up

dredge

large floating device for underwater excavation. Dredging has four principal objectives: (1) to develop and maintain greater depths than naturally exist for canals, rivers, and harbours; (2) to obtain fill to raise the level of lowlands and thus create new land areas and improve drainage and sanitation; (3) to construct dams, dikes, and other control works for streams and seashore; and (4) to recover subaqueous deposits or marine life having commercial value

Learn more about dredge with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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