- The definition of an estuary is an area where one or more rivers meet an ocean or sea.
An example of an estuary is Chesapeake Bay.
An estuary of the River Devon.
Origin of estuaryClassical Latin aestuarium ; from aestus, the tide, origin, originally , a boiling, akin to aestas, summer heat: see estival
- The part of the wide lower course of a river where its current is met by the tides.
- An arm of the sea that extends inland to meet the mouth of a river.
Origin of estuaryLatin aestuārium, from aestus, tide, surge, heat.
From Latin aestuarium (“creek”, “estuary of a river”).