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lagoon

[luh-goon] /ləˈgun/
noun
1.
an area of shallow water separated from the sea by low sandy dunes.
Compare laguna.
2.
Also, lagune. any small, pondlike body of water, especially one connected with a larger body of water.
3.
an artificial pool for storage and treatment of polluted or excessively hot sewage, industrial waste, etc.
Origin of lagoon
1605-1615
1605-15; earlier laguna (singular), lagune (plural) < Italian < Latin lacūna (singular), lacūnae (plural) ditch, pool, akin to lacus basin, lake1; see lacuna
Related forms
lagoonal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for lagoon
Contemporary Examples
Historical Examples
  • But for the secret of the lagoon the papers had to wait, since it had been inviolably kept.

    The Relentless City Edward Frederic Benson
  • That lagoon presented an excellent place for a cattle-station.

  • The same idea, though expressed in a more familiar figure, is found in another poem published among The lagoon's Regrets.

    Life Immovable Kostes Palamas
  • Then I knew why Opata smelled of mischief when he had caught snakes in the lagoon.

    The Trail Book Mary Austin
  • He was ordered to make chowder out of the big clams that grew in the lagoon.

    South Sea Tales Jack London
  • The shallow water of the lagoon ran into gold-tipped ripples.

    The Trail Book Mary Austin
  • The point where she reached it was just above the gorge—the place where the tree stairway led down to the lagoon.

    The Maroon Mayne Reid
British Dictionary definitions for lagoon

lagoon

/ləˈɡuːn/
noun
1.
a body of water cut off from the open sea by coral reefs or sand bars
2.
any small body of water, esp one adjoining a larger one
Also (rare) lagune
Word Origin
C17: from Italian laguna, from Latin lacūna pool; see lacuna
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 lagoon
n.

1670s, lagune, earlier laguna (1610s), from French lagune or directly from Italian laguna "pond, lake," from Latin lacuna "pond, hole," from lacus "pond" (see lake (n.1)). Originally in reference to the region of Venice; applied 1769 (by Capt. Cook) to the lake-like stretch of water enclosed in a South Seas atoll. Also cf. -oon.

Online Etymology Dictionary, © 2010 Douglas Harper
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lagoon in Science
lagoon
  (lə-gn')   
  1. A shallow body of salt water close to the sea but separated from it by a narrow strip of land, such as a barrier island, or by a coral reef.

  2. A shallow pond or lake close to a larger lake or river but separated from it by a barrier such as a levee.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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