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The side of a levee in Sacramento, California. A levee (/ ˈ l ɛ v i / or / ˈ l ɛ v eɪ /), [a] [1] dike (American English), dyke (British English; see spelling differences), embankment, floodbank, or stop bank is an elevated ridge, natural or artificial, alongside the banks of a river, often intended to protect against flooding of the area adjoining the river.
A ditch is a small to moderate trench created to channel water. A ditch can be used for drainage , to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation .
Linear earthworks may have a ditch alongside which provides the source of earth for the bank and an extra obstacle. There may be a single ditch, a ditch on both sides or no ditch at all. Earthworks range in length from a few tens of metres to more than 80 km. Linear earthworks are also known as dykes (also spelt dike), or "ranch boundaries".
A dyke, in contrast, is always manmade and can be either a bank or a ditch. 82.10.103.233 20:37, 9 February 2007 (UTC) - or a combination of bank and ditch as in Offa's Dyke, for example. When used as a boundary marker, a dike is normally dug on the owner's propery, with one lip of the excavation adjacant to the neighbour's land.
Dike (geology), formations of magma or sediment that cut through and across the layering of adjacent rocks; Dike (mythology), Dikē, the Greek goddess of moral justice; Dikes, diagonal pliers, also called side-cutting pliers, a hand tool used by electricians and others; Dyke (automobile company), established 1899
It may be related to the late-19th-century slang use of dike ("ditch") for the vulva. [9] Bull ("male cattle") being used in the sense of "masculine" and "aggressive" (e.g., in bullish), a bulldyke would have implied (with similar levels of offensiveness) a "masculine cunt".
A feeder dike is a dike that acted as a conduit for magma moving from a magma chamber to a localized intrusion. For example, the Muskox intrusion in arctic Canada was fed by a large dike, with a thickness of 150 meters. [10] A sole injection is a dike injected along a thrust fault plane, where rock beds were fractured and thrust up over younger ...
A dike could not always be moved seawards. Especially in the southwest river delta it was often the case that the primary sea dike was undermined by a tidal channel. A secondary dike was then built, called an inlaagdijk. [3] With an inland dike, when the seaward dike collapses the secondary inland dike becomes the primary. Although the ...