sea·​wall ˈsē-ˌwȯl How to pronounce seawall (audio)
: 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 The original Corps plan for Charleston has a utilitarian vertical seawall that looked more like a concrete cage hemming the city in. Bill Kearney, Miami Herald, 27 Mar. 2024 Waves on Friday, however, are expected to be small and flooding issues will likely be minimal, though high waters due to the recent rain could push water levels up over harbor seawalls and into streets. Laylan Connelly, Orange County Register, 8 Feb. 2024 When the seawall project is complete, the park service will plant 274 new cherry blossom trees along with other species, adding to 455 trees in all. Christian Thorsberg, Smithsonian Magazine, 22 Mar. 2024 Molnar said plans include investment and growth in the marina with dock and seawall rehabilitation, more heated boat storage space, new and used boat brokerage and customer-centric technology. Susan Selasky, Detroit Free Press, 22 Mar. 2024 The settlement of the seawalls and rising sea levels mean that water flows over portions of the seawalls twice a day during normal tidal conditions. Julia Jacobo, ABC News, 20 Mar. 2024 Del Mar residents have criticized plans for both the tunnel and the seawalls. Phil Diehl, San Diego Union-Tribune, 6 Mar. 2024 Eventually, dozens of people crouched behind the seawall. Mike Baker, New York Times, 1 Nov. 2023 In addition to a new roof or impact windows, PACE could now cover elevating homes because of flood risk, fixing up a seawall and something long sought by Miami-Dade County — septic to sewer conversions. Alex Harris, Miami Herald, 4 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seawall.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined above

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

Dictionary Entries Near seawall

Cite this Entry

“Seawall.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2024.

Kids Definition


sea·​wall ˈsē-ˌwȯl How to pronounce seawall (audio)
: a wall or bank to prevent sea waves from wearing away the shore

More from Merriam-Webster on seawall

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