: 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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As an alternative to seawalls, Surfrider advocates better planning and management, Cook said.
—
Ashley MacKin Solomon, San Diego Union-Tribune, 6 June 2025
The Tidal Basin: The $113 million project — the most expensive NPS has ever designed — will replace 6,800 feet of sinking seawalls along the Tidal Basin and the Potomac and will add larger walkways.
—Mimi Montgomery, Axios, 2 Apr. 2025
Iguanas also dig tunnels that erode seawalls, Arahill said.
—Peter Burke, Fox News, 18 Mar. 2025
Vic, who lost his family a week earlier when the Riddler (Paul Dano) bombed Gotham City’s seawall, attempts to explain himself, but his stutter interferes.
—Brian Davids, HollywoodReporter, 9 June 2025
See All Example Sentences for seawall
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Ashley MacKin Solomon, San Diego Union-Tribune, 6 June 2025
The Tidal Basin: The $113 million project — the most expensive NPS has ever designed — will replace 6,800 feet of sinking seawalls along the Tidal Basin and the Potomac and will add larger walkways.
—Mimi Montgomery, Axios, 2 Apr. 2025
Iguanas also dig tunnels that erode seawalls, Arahill said.
—Peter Burke, Fox News, 18 Mar. 2025
Vic, who lost his family a week earlier when the Riddler (Paul Dano) bombed Gotham City’s seawall, attempts to explain himself, but his stutter interferes.
—Brian Davids, HollywoodReporter, 9 June 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 16 Jul. 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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