American Heritage® Dictionary of the English Language, Fourth Edition
- n. The part of the wide lower course of a river where its current is met by the tides.
- n. An arm of the sea that extends inland to meet the mouth of a river.
Century Dictionary and Cyclopedia
- n. An arm or inlet of the sea, particularly one that is covered by water only at high tide.
- n. That part of the mouth or lower course of a river flowing into the sea which is subject to tides; specifically, an enlargement of a riverchannel toward its mouth in which the movement of the tides is very prominent. The principal estuaries, as thus restricted, are those of the St. Lawrence in North America, the Plata in South America, the Thames in England, the Elbe in Germany, and the Gironde in France.
- n. A place where water boils up.
- Belonging to or formed in an estuary: as, estuary strata.
- n. Coastal water body where ocean tides and river water merge.
- n. An ocean inlet also fed by fresh river water.
GNU Webster's 1913
- n. obsolete A place where water boils up; a spring that wells forth.
- n. A passage, as the mouth of a river or lake, where the tide meets the current; an arm of the sea; a frith.
- adj. Belonging to, or formed in, an estuary.
- n. the wide part of a river where it nears the sea; fresh and salt water mix
- From Latin aestuarium ("creek”, “estuary of a river"). (Wiktionary)
- Latin aestuārium, from aestus, tide, surge, heat. (American Heritage® Dictionary of the English Language, Fourth Edition)
“He'll take a helicopter tour of the thin orange line of protective booms that divides thousands of acres of estuary from the toxic tides.”
“An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it.”
“You can fish from shore anywhere in estuary or the beach with fresh shrimp.”
“The Amazon estuary is a dynamic lowland consisting of Holocene (less than 10,000 years old) sediments surrounded by slightly older Tertiary deposits.”
“The resulting estuary is one of the planet's greatest fish incubators, providing a stream of prey that flows into the Gulf where it attracts legions of hungry predators.”
“Playa del Rey and the Huichol sacred island lie across an estuary from the customs house.”
“Officials have recorded 125 fish species in the Thames estuary, which is home to shellfisheries and provides nursing grounds for sole and bass.”
“The estuary is a place where incoming fresh water and ocean water mix, and the salinity can vary depending on the phase in the tidal cycle and the amount of rainfall.”
“Recent geologic factors that have shaped the estuary are the competing forces of rising sea level, which promotes inland migration of the estuary, and tectonic uplift, which reverses that trend.”
“The major rivers emptying into the estuary are the Coos and the Millicoma, which supply 66% of the fresh water entering the system.”
These user-created lists contain the word ‘estuary’.
An eclectic list of words pertaining to and describing water.
"...I am the faithful husband of the rain,
I love the water of wells and springs
and the taste of roofs in the...
Planetary chaos: terrain, landscape and geology excluding rocks. (See "the geologist" list for the latter.)
The Velvetine Ruffians
Looking for tweets for estuary.