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estuary definition

es·tu·ary (es′tyo̵̅o̅ er′ē, -c̸ho̵̅o̅-)

noun pl. estuaries -·ar′·ies

an inlet or arm of the sea; esp., the lower portion or wide mouth of a river, where the salty tide meets the freshwater current

Etymology: L aestuarium < aestus, the tide, orig., a boiling, akin to aestas, summer heat: see estival

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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