noun, often attributive
\ˈmärsh \

Definition of marsh 

(Entry 1 of 2)

: a tract of soft wet land usually characterized by monocotyledons (such as grasses or cattails)


biographical name
\ˈmärsh \

Definition of Marsh (Entry 2 of 2)

Dame (Edith) Ngaio \ ˈnī-​(ˌ)ō \ 1899–1982 New Zealand writer

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Synonyms for marsh

Synonyms: Noun

bog, fen, marshland, mire, moor, morass, muskeg, slough (also slew), swamp, swampland, wash, wetland

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Examples of marsh in a Sentence


a wide expanse of marsh the marshes along the coast support a remarkable profusion of plants and animals

Recent Examples on the Web: Noun

Biologists also would sometimes capture an animal, perform a vasectomy and follow it back into the marshes to find the pack. Kurtis Alexander, San Francisco Chronicle, "Eradication of invasive rodent off to a slow start in California," 12 May 2018 One day in February, Gerstenberg slogged through the water flooding the marsh in chest waders to check his nine traps. Ryan Sabalow, sacbee, "Invasive swamp rodent has California scrambling to come up with a battle plan | The Sacramento Bee," 22 Feb. 2018 The trail winds down to the bottom of the impressive outcroppings that meet the marsh grass and water. Peter Marteka,, "Hikers, Are You Up To The Challenge Of These 14 Trails?," 15 May 2018 The sediment would feed Barataria Bay marshes in attempts to reduce land loss rates and sustain wetlands damaged by the Deepwater Horizon oil spill, according to a U.S. Army Corps of Engineers report. Sara Sneath,, "State to lose $400,000 a month if Plaquemines Parish delays restoration project, official says," 22 May 2018 In the marsh, ducks, geese and bald eagles are flourishing across the four major flyways of North America. Tom Stienstra,, "Chart-buster times: salmon to whales, bears to bighorns," 8 July 2018 Sandy Neck in Barnstable produced a clapper rail, a seaside sparrow, 16 saltmarsh sparrows, 2 willow flycatchers, a marsh wren, and 2 brown thrashers., "Bird sightings on Cape Cod," 24 June 2018 Five of the six had eaten raccoon, and some had eaten deer or chicken; the sixth had dined on marsh rice rat, but the report notes that any of the birds could have vomited other stomach contents. Karin Brulliard And Dana Hedgpeth,, "Thirteen bald eagles were found dead in a field in Maryland. This is what killed them.," 20 June 2018 Along the bayou, workers navigate marsh buggy excavators building containment dikes. Gena Somra, CNN, "Louisiana's shrinking marshes signal the loss of a way of life," 6 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'marsh.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of marsh


before the 12th century, in the meaning defined above

History and Etymology for marsh


Middle English mersh, from Old English merisc, mersc; akin to Middle Dutch mersch marsh, Old English mere sea, pool — more at marine

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Statistics for marsh

Last Updated

11 Nov 2018

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Time Traveler for marsh

The first known use of marsh was before the 12th century

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More Definitions for marsh



English Language Learners Definition of marsh

: an area of soft, wet land that has many grasses and other plants


\ˈmärsh \

Kids Definition of marsh

: an area of soft wet land with grasses and related plants

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Comments on marsh

What made you want to look up marsh? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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