: 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
Our stop at Stanley Park — OK, the Stanley Park Brewpub — for more local libations eased some of the sting from our mountain misadventure, and our walk along the English Bay seawall took us to a perfect spot to capture our best sunset of the trip.
—
Todd Harmonson, Oc Register, 3 Dec. 2025
The canisters rest a little more than 100 feet from the Pacific, protected by a seawall.
—Rob Nikolewski, San Diego Union-Tribune, 1 Dec. 2025
Human modifications to coastal landscapes, such as seawalls and levees, can worsen flood risks, accelerate erosion and hinder the ability of coastal ecosystems to naturally adapt.
—Daniel Peck, ABC News, 30 Nov. 2025
The seawalls along Biscayne Bay have gotten higher, and flooding from rainfall has become more and more of a problem.
—Vann R. Newkirk Ii, The Atlantic, 10 Nov. 2025
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Todd Harmonson, Oc Register, 3 Dec. 2025
The canisters rest a little more than 100 feet from the Pacific, protected by a seawall.
—Rob Nikolewski, San Diego Union-Tribune, 1 Dec. 2025
Human modifications to coastal landscapes, such as seawalls and levees, can worsen flood risks, accelerate erosion and hinder the ability of coastal ecosystems to naturally adapt.
—Daniel Peck, ABC News, 30 Nov. 2025
The seawalls along Biscayne Bay have gotten higher, and flooding from rainfall has become more and more of a problem.
—Vann R. Newkirk Ii, The Atlantic, 10 Nov. 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 11 Dec. 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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