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.
See estuary in Webster's New World College Dictionary
noun pl. estuaries
Origin: L aestuarium < aestus, the tide, orig., a boiling, akin to aestas, summer heat: see estival
See estuary in American Heritage Dictionary 4
noun pl. es·tu·ar·ies
Origin: Latin aestuārium
Origin: , from aestus, tide, surge, heat.
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