estuary

The definition of an estuary is an area where one or more rivers meet an ocean or sea.

(noun)

An example of an estuary is Chesapeake Bay.

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See estuary in Webster's New World College Dictionary

noun pl. estuaries

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

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

Related Forms:

See estuary in American Heritage Dictionary 4

noun pl. es·tu·ar·ies
  1. The part of the wide lower course of a river where its current is met by the tides.
  2. An arm of the sea that extends inland to meet the mouth of a river.

Origin:

Origin: Latin aestuārium

Origin: , from aestus, tide, surge, heat

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Related Forms:

  • esˌtu·arˈi·al (-ârˈē-əl) adjective

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