: 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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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.
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Theo Burman, MSNBC Newsweek, 15 Sep. 2025
Important note: The retaining wall for the walkway is not the same thing as the seawall protecting the plant, which is in good condition, Edison’s Ron Pontes said.
—Teri Sforza, Oc Register, 5 Sep. 2025
The repairs are needed to address storm damage to the seawall and surrounding area at the corner of South and Whitehead streets.
—Miami Herald Archives, Miami Herald, 2 Sep. 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, according to the Fifth National Climate Assessment.
—Julia Jacobo, ABC News, 20 Aug. 2025
See All Example Sentences for seawall
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Theo Burman, MSNBC Newsweek, 15 Sep. 2025
Important note: The retaining wall for the walkway is not the same thing as the seawall protecting the plant, which is in good condition, Edison’s Ron Pontes said.
—Teri Sforza, Oc Register, 5 Sep. 2025
The repairs are needed to address storm damage to the seawall and surrounding area at the corner of South and Whitehead streets.
—Miami Herald Archives, Miami Herald, 2 Sep. 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, according to the Fifth National Climate Assessment.
—Julia Jacobo, ABC News, 20 Aug. 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 6 Oct. 2025.
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seawall
noun
sea·wall
ˈsē-ˌwȯl 
: a wall or bank to prevent sea waves from wearing away the shore
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