: 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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The canisters rest a little more than 100 feet from the Pacific, protected by a seawall.
—
Rob Nikolewski, San Diego Union-Tribune, 22 Oct. 2025
In Flagler County, numerous docks flooded and waves were topping over some seawalls along a series of canals off the Intracoastal in Palm Coast, and a few inches of tidal flooding was reported in the oceanfront community of Flagler Beach, emergency officials told the weather service.
—Dinah Voyles Pulver, USA Today, 11 Oct. 2025
Locals gather around fires near the seawall or hike to the ruins of Sutro Baths.
—Becca Blond, AFAR Media, 7 Oct. 2025
Once a closed low develops, it will get officially classified along with a forecast cone from the NHC...
Stock Image: Tropical Alberto Storm surge pushing waves against seawall in Galveston, Texas.
—Theo Burman, MSNBC Newsweek, 15 Sep. 2025
See All Example Sentences for seawall
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Rob Nikolewski, San Diego Union-Tribune, 22 Oct. 2025
In Flagler County, numerous docks flooded and waves were topping over some seawalls along a series of canals off the Intracoastal in Palm Coast, and a few inches of tidal flooding was reported in the oceanfront community of Flagler Beach, emergency officials told the weather service.
—Dinah Voyles Pulver, USA Today, 11 Oct. 2025
Locals gather around fires near the seawall or hike to the ruins of Sutro Baths.
—Becca Blond, AFAR Media, 7 Oct. 2025
Once a closed low develops, it will get officially classified along with a forecast cone from the NHC...
Stock Image: Tropical Alberto Storm surge pushing waves against seawall in Galveston, Texas.
—Theo Burman, MSNBC Newsweek, 15 Sep. 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 31 Oct. 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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