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English definition of “estuary”

estuary

noun [C] uk   /ˈes.tjʊə.ri/ us    /-tu.er.i/
the wide part of a river at the place where it joins the sea: the Thames estuary the Rance estuaryParts of watercourses
estuarine
adjective uk   /-tjʊə.riːn/ us    /-tjʊr.iːn/
estuarine speciesParts of watercourses
(Definition of estuary from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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