estuarynoun [ C ]
uk/ˈes.tʃu.ə.ri/us/ˈes.tu.er.i/the wide part of a river at the place where it joins the sea:
the Thames estuary
the Rance estuary
Thesaurus: synonyms and related words
Parts of watercourses
- artesian well
- basin
- branch
- confluence
- delta
- firth
- geyser
- head
- lock
- lock-keeper
- meander
- midstream
- mooring
- narrows
- reach
- spring
- towpath
- tributary
- water table
- weir
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estuarine
adjective uk/ˈes.tʃu.ə.raɪn/us/ˈes.tu.ə.raɪn/
estuarine species