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.
Sewage discharges, runoff of fertilisers and manures from farms and wastewater from industry can all increase nutrient levels in rivers and estuaries.
From BBC ● May 2, 2026
"There are nowhere near enough river sample measurements to quantify inputs to estuaries along the entire Alaskan North Slope."
From Science Daily ● Apr. 4, 2026
The hungry whales now come into crowded estuaries like San Francisco Bay to feed, making them vulnerable to ship traffic.
From Los Angeles Times ● Jan. 8, 2026
They are also found around river mouths, estuaries and manmade structures like piers and groynes.
From BBC ● Aug. 23, 2025
This has to do with the fishes of salt marshes, bays, and estuaries.
From "Silent Spring" by Rachel Carson
