estuary
noun
that part of the mouth or lower course of a river in which the river's current meets the sea's tide.
estuaries
-
pluralof estuary.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Using long term observations from 20 U.S. estuaries, the researchers developed a way to measure total heat exposure by viewing marine heatwaves as part of broader warming episodes rather than as isolated events.
From Science Daily ● Sep. 30, 2026
The researchers examined more than 2,580 MHWs recorded across 20 U.S. estuaries over two decades.
From Science Daily ● Sep. 30, 2026
"They love river mouths and estuaries, so the freshwater that flooded off the land following the recent rain events was perfect for them."
From BBC ● Jan. 23, 2026
They include programmes that track chemical pollution in rivers, lakes and estuaries as well as one that monitors the regulator's plans for dealing with drought.
From BBC ● Jul. 23, 2025
The inshore waters —the bays, the sounds, the river estuaries, the tidal marshes — form an ecological unit of the utmost importance.
From "Silent Spring" by Rachel Carson
