Estuary
/ˈɛstʃuˌɛri/
Listen pronunciation
Definition
(noun) A coastal water body where ocean tides and river water merge, resulting in a brackish water zone.
Sentence Examples
The conservationist is against the building of a tidal barrage across the Severn estuary.
The Chesapeake Bay is the largest estuary in the United States.
CEFR Practice Quiz
The fresh river water mixed with the salty tide in the wide, shallow ____.