estuarial

estuary

[es-choo-er-ee]
noun, plural estuaries.
1.
that part of the mouth or lower course of a river in which the river's current meets the sea's tide.
2.
an arm or inlet of the sea at the lower end of a river.

Origin:
1530–40; < Latin aestuārium channel, creek, inlet, equivalent to aestu(s) tide + -ārium -ary

estuarial [es-choo-air-ee-uhl] , adjective

delta, estuary.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
estuary (ˈɛstjʊərɪ)
 
n , pl -aries
1.  the widening channel of a river where it nears the sea, with a mixing of fresh water and salt (tidal) water
2.  an inlet of the sea
 
[C16: from Latin aestuārium marsh, channel, from aestus tide, billowing movement, related to aestās summer]
 
estuarial
 
adj

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

estuary
1530s, from L. aestuarium "a tidal marsh or opening," from aestus "boiling (of the sea), tide, heat." Related: Estuaries; estuarine.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
estuary   (ěs'ch-ěr'ē)  Pronunciation Key 
  1. The wide lower course of a river where it flows into the sea. Estuaries experience tidal flows and their water is a changing mixture of fresh and salt.

  2. An arm of the sea that extends inland to meet the mouth of a river.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
estuary [(es-chooh-er-ee)]

A wide body of water formed where a large river meets the sea. It contains both fresh and salt water.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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