1 [dahyk]
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.
a long, narrow, cross-cutting mass of igneous rock intruded into a fissure in older rock.
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.

before 900; Middle English dik(e), Old English dīc < Old Norse dīki; akin to ditch

diker, noun
undiked, adjective
Dictionary.com Unabridged


2 [dahyk]
noun Slang: Often Disparaging and Offensive.

dikey, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dike (daɪk)
n, —vb
a variant spelling of dyke

dyke or dike1 (daɪk)
1.  an embankment constructed to prevent flooding, keep out the sea, etc
2.  a ditch or watercourse
3.  a bank made of earth excavated for and placed alongside a ditch
4.  (Scot) a wall, esp a dry-stone wall
5.  a barrier or obstruction
6.  a vertical or near-vertical wall-like body of igneous rock intruded into cracks in older rock
7.  informal (Austral), (NZ)
 a.  a lavatory
 b.  (as modifier): a dyke roll
8.  civil engineering an embankment or wall built to confine a river to a particular course
9.  (tr) to protect, enclose, or drain (land) with a dyke
[C13: modification of Old English dic ditch; compare Old Norse dīki ditch]
dike or dike1
[C13: modification of Old English dic ditch; compare Old Norse dīki ditch]

dyke or dike2 (daɪk)
slang a lesbian
[C20: of unknown origin]
dike or dike2
[C20: of unknown origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

O.E. dic "trench, ditch," from P.Gmc. *dik- (cf. O.N. diki, Du. dijk, Ger. Deich), from PIE base *dheigw- "to pierce, fasten" (cf. Skt. dehi- "wall," O.Pers. dida "wall, stronghold, fortress," Pers. diz). At first "an excavation," later (1487) 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, which in the south of England yielded ditch.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
dike   (dīk)  Pronunciation Key 
  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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Computing Dictionary

dike definition

To remove or disable a portion of something, as a wire from a computer or a subroutine from a program. A standard slogan is "When in doubt, dike it out". (The implication is that it is usually more effective to attack software problems by reducing complexity than by increasing it.) The word "dikes" is widely used among mechanics and engineers to mean "diagonal cutters", especially the heavy-duty metal-cutting version, but may also refer to a kind of wire-cutters used by electronics technicians. To "dike something out" means to use such cutters to remove something. Indeed, the TMRC Dictionary defined dike as "to attack with dikes". Among hackers this term has been metaphorically extended to informational objects such as sections of code.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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