Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: aestuarium, from aestus 'boiling, tide'

estuary

 noun
     
Related topics: Geology, Geography
es‧tu‧a‧ry plural estuaries [countable]
SG the wide part of a river where it goes into the sea:
the Thames estuary
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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