sea·​wall | \ˈsē-ˌwȯl \

Definition of seawall 

: a wall or embankment to protect the shore from erosion or to act as a breakwater

Examples of seawall in a Sentence

Recent Examples on the Web

If electric cars and clean energy aren’t enough to prevent rising oceans, then there’s money to be made in seawalls, indoor agriculture and emergency housing. Recode Staff, Recode, "Recode Daily: Why Google is shutting down Google+, Facebook’s tone-deaf camera device," 9 Oct. 2018 From San Diego County to Santa Cruz, local disputes have intensified over how many more seawalls to build to fend off rising waters — and who will pay to maintain them each year. Rosanna Xia,, "Southern California's coastal communities could lose 130 feet of cliffs this century as sea levels rise," 27 June 2018 The bond measure would cover 85 percent of the $500 million needed for the first of three repair and construction phases for the seawall. Dominic Fracassa, San Francisco Chronicle, "$425 million bond start repair of SF’s critical seawall moves forward," 16 Apr. 2018 For much of the route the crowd was one or two people thick, but in the blocks on either side of Girod Street, the crowd blossomed and onlookers filled the entire greenspace between the roadway and the seawall of Lake Pontchartrain. Kara Martinez Bachman,, "Fairy tales came to life as Mardi Paws doggies enchanted Mandeville Lakefront," 2 Mar. 2018 As Mother Jones’ Amy Thomson wrote in October, the cities hoped to force the companies to pay for seawalls and other municipal projects necessary to combat the effects of a warming planet, which the companies had a hand in causing. Jackie Flynn Mogensen, WIRED, "San Francisco vs. Big Oil: Climate Case Dismissed," 27 June 2018 Use crickets and redworms near docks and seawalls for bluegills, bream and warmouth. Mark Blythe,, "Central Florida fishing forecast: July 10," 7 July 2018 The Annual Town Meeting in March had appropriated funding for the Abbot Hall and seawall work contingent on passage of the debt exclusions, which allow the town to temporarily raise its property tax cap in order to repay debt from the projects. John Laidler,, "Marblehead voters agree to tax increases for town repairs," 28 June 2018 The sand squabble is hardly unusual in Del Mar, where attorneys representing wealthy property owners frequently face off over seawall disputes, land-use policies, dog-leash laws, and who gets free use of the community center. Phil Diehl,, "Mansion owner taking sand squabble to ballot box," 4 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seawall.' 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 seawall

15th century, in the meaning defined above

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Dictionary Entries near seawall

sea valve

sea vampire




sea walnut


Statistics for seawall

Last Updated

24 Nov 2018

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Time Traveler for seawall

The first known use of seawall was in the 15th century

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More Definitions for seawall



English Language Learners Definition of seawall

: a wall built to keep sea waves from coming up onto land


sea·​wall | \ˈsē-ˌwȯl \

Kids Definition of seawall

: a bank or a wall to prevent sea waves from eroding the shore

More from Merriam-Webster on seawall

Rhyming Dictionary: Words that rhyme with seawall

Spanish Central: Translation of seawall

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