: a wall or embankment to protect the shore from erosion or to act as a breakwater
Examples of seawall in a Sentence
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They are also hated for their ability to burrow under infrastructure such as seawalls, sidewalks and roads, causing considerable damage.
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Orlando Sentinel Editorial Board, The Orlando Sentinel, 8 May 2025
The project would extend an erodible concrete seawall — which is designed to recede at the same pace as the bluffs around it — that was built after a bluff failure in 2010.
—Ashley MacKin Solomon, San Diego Union-Tribune, 26 Mar. 2025
According the commission, the state regulatory agency that oversees the bay, Marin County is facing about $17 billion in expenses to build adaptation projects, such as living shorelines, marshes and potentially seawalls and levees, to protect itself from inundation.
—Adrian Rodriguez, The Mercury News, 3 Mar. 2025
Anchored to what is called a seawall, a wetland ecosystem for a diverse range of wildlife — including beavers, muskrats, snapping turtles and all types of insects, bats, and fish — has been created by mostly volunteers.
—Rick Kogan, Chicago Tribune, 18 Feb. 2025
See All Example Sentences for seawall
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Orlando Sentinel Editorial Board, The Orlando Sentinel, 8 May 2025
The project would extend an erodible concrete seawall — which is designed to recede at the same pace as the bluffs around it — that was built after a bluff failure in 2010.
—Ashley MacKin Solomon, San Diego Union-Tribune, 26 Mar. 2025
According the commission, the state regulatory agency that oversees the bay, Marin County is facing about $17 billion in expenses to build adaptation projects, such as living shorelines, marshes and potentially seawalls and levees, to protect itself from inundation.
—Adrian Rodriguez, The Mercury News, 3 Mar. 2025
Anchored to what is called a seawall, a wetland ecosystem for a diverse range of wildlife — including beavers, muskrats, snapping turtles and all types of insects, bats, and fish — has been created by mostly volunteers.
—Rick Kogan, Chicago Tribune, 18 Feb. 2025
See All Example Sentences for seawall
Cite this Entry
“Seawall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawall. Accessed 21 May. 2025.
Copy CitationKids Definition
seawall
noun
sea·wall
ˈsē-ˌwȯl 
: a wall or bank to prevent sea waves from wearing away the shore
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