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Lagoon

 - 3 dictionary results

la⋅goon

[luh-goon]
–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, esp. 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:
1605–15; earlier laguna (sing.), lagune (pl.) < It < L lacūna (sing.), lacūnae (pl.) ditch, pool, akin to lacus basin, lake 1 ; see lacuna


la⋅goon⋅al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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la·goon   (lə-gōōn')   
n.  
  1. A shallow body of water, especially one separated from a sea by sandbars or coral reefs.

  2. A shallow body of liquid waste material, as one in a dump.


[French lagune and Italian laguna, both from Latin lacūna, pool, hollow, gap, from lacus, lake.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

lagoon 
1612, from Fr. lagune, from It. laguna "pond, lake," from L. lacuna "pond, hole," from lacus "pond" (see lake). Originally in ref. to the region of Venice; applied 1769 to the lake-like stretch of water enclosed in a South Seas atoll.
Online Etymology Dictionary, © 2001 Douglas Harper
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