Estuary Definition

ĕscho͝o-ĕrē
estuaries
noun
The part of the wide lower course of a river where its current is met by the tides.
American Heritage
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.
Webster's New World
Synonyms:

Other Word Forms of Estuary

Noun

Singular:
estuary
Plural:
estuaries

Origin of Estuary

  • Latin aestuārium from aestus tide, surge, heat

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin aestuarium (“creek”, “estuary of a river”).

    From Wiktionary

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