There are 2 main definitions of dike in English:


Syllabification: dike
Pronunciation: /dīk
(also dyke)


1A long wall or embankment built to prevent flooding from the sea.
More example sentences
  • Ponds are separated by dikes that prevent flooding and provide access routes to the ponds for electricity and aerator motors.
  • As they camped in the fields in sight of the city walls the Mongols surprised them by smashing the dams and dikes nearby and flooding the encampment.
  • The Fayum oasis was one of the richest agricultural areas of Egypt, an area of newly arable land created by controlling the Nile's floods with canals and dikes, starting around 350 B.C.
1.1(Often in place names) a low wall or earthwork serving as a boundary or defense: Offa’s Dike
More example sentences
  • The busy prehistory is known rather than seen in the shadow remnants of dikes and earthworks.
1.2A causeway.
More example sentences
  • After that, she led us along a thin, icy path on a dike between the channel and a deep, muddy ditch with (I don't know why) sharp sticks (the remains of a fence?) jutting up from the bottom.
1.3 Geology An intrusion of igneous rock cutting across existing strata. Compare with sill.
More example sentences
  • Evidently, the wealth of minerals found at Brumado is related to the intrusion of igneous dikes and subsequent associated hydrothermal mineralization.
  • A granite dike, on the other hand, can give only a minimum age for the rock that the dike cuts across.
  • The Ajax vein structure contains both a mineralized quartz vein and brecciated mafic dike.
2A ditch or watercourse.
More example sentences
  • At the same time, the construction of canals, ditches and dikes essential to irrigation demanded cooperation between different social groups.
  • The ditches, dikes and reed-edged fleets that crisscross the grazing marshes here are rich in invertebrates, including the scarce emerald damselfly.
  • Therefore, if runoff can be diverted away from it with dikes and interception ditches, sediment transport can be reduced.


[with object] (often as adjective diked) Back to top  
Provide (land) with a wall or embankment to prevent flooding.
More example sentences
  • In 1968, a rock-filled dam with a flood control gate system was built in the upper estuary of the Petitcodiac River, New Brunswick, as a road connection and to protect diked farmland from flooding.
  • With the exception of one trap, all traps that captured large numbers of flies were located within or near the diked, agricultural lands in Grand Pré.
  • Eastward lay the Sonoma floodplain, an expanse of diked and drained bay lands, with tidal creeks and sloughs shining in the distance.


Middle English (denoting a trench or ditch): from Old Norse dík, related to ditch. sense 1 of the noun has been influenced by Middle Low German dīk 'dam' and Middle Dutch dijc 'ditch, dam'.


put one's finger in the dike

Attempt to stem the advance of something undesirable.
[from a story of a small Dutch boy who saved his community from a flood by placing his finger in a hole in a dike]
More example sentences
  • Don't let people criticise you for this - after all, the hurricane was over and what the heck could you do, put your finger in the dike?
  • Sometimes it's hard to put your finger in the dyke when you are sitting in the stand, but we certainly did things that we didn't do in practice and we haven't done in the rest of the tournament.

Definition of dike in: