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[dahyk] /daɪk/
an embankment for controlling or holding back the waters of the sea or a river:
They built a temporary dike of sandbags to keep the river from flooding the town.
a ditch.
a bank of earth formed of material being excavated.
a causeway.
British Dialect. a low wall or fence, especially of earth or stone, for dividing or enclosing land.
an obstacle; barrier.
  1. a long, narrow, cross-cutting mass of igneous rock intruded into a fissure in older rock.
  2. a similar mass of rock composed of other kinds of material, as sandstone.
Australian Slang. a urinal.
verb (used with object), diked, diking.
to furnish or drain with a dike.
to enclose, restrain, or protect by a dike:
to dike a tract of land.
Also, dyke.
Origin of dike1
before 900; Middle English dik(e), Old English dīc < Old Norse dīki; akin to ditch
Related forms
diker, noun
undiked, adjective


[dahyk] /daɪk/
noun, Slang: Disparaging and Offensive.
dyke2 .
Related forms
dikey, adjective, dikier, dikiest. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for dikes
  • The inability of the world's economy to build dikes around every coastal city, every inhabited coast on the planet.
  • Theirs was the reiterated godlike role of separating the dry land from the wet by a defensive line of dikes and pumping windmills.
  • The construction of walls or dikes within the channel is factored into the program.
  • According to the computer, dikes help to eliminate the point bars.
  • The lines represent locations of magnetic highs that they interpreted as dikes.
  • The dikes act as impermeable walls through which groundwater cannot flow.
  • The dikes appear to be stable and did not exhibit any notable changes in the exterior dikes since the last inspection.
  • dikes can also be used to protect natural areas, scenic features and archeological sites from damage.
  • dikes in this system are essentially planar but interfinger more than the dikes of the previously described system.
British Dictionary definitions for dikes


noun, verb
a variant spelling of dyke1
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 dikes



Old English dic "trench, ditch; an earthwork with a trench; moat," from Proto-Germanic *dik- (cf. Old Norse diki "ditch, fishpond," Old Frisian dik "mound, dam," Middle Dutch dijc "mound, dam, pool," Dutch dijk "dam," German Deich "embankment"), from PIE root *dheigw- "to pierce, fasten" (cf. Sanskrit dehi- "wall," Old Persian dida "wall, stronghold, fortress," Persian diz).

At first "an excavation," later (late 15c.) applied to the resulting earth mound; a sense development paralleled by cognate forms in many other languages. This is the northern variant of the word that in the south of England yielded ditch (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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dikes in Science
  1. A body of igneous rock that cuts across the structure of adjoining rock, usually as a result of the intrusion of magma. Dikes are often of a different composition from the rock they cut across. They are usually on the order of centimeters to meters across and up to tens of kilometers long. See illustration at batholith.

  2. An embankment of earth and rock built to prevent floods or to hold irrigation water in for agricultural purposes.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for dikes


Related Terms


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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