: 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
Newport Beach officials urged people living in properties adjacent to the harbor to take precautions like installing seawall plugs and placing sandbags in vulnerable areas.
—
Dean Fioresi, CBS News, 14 June 2026
Regardless of the proximity to the seawall, Evans said the storage sites and fill remain a threat.
—Christiana Freitag, Chicago Tribune, 13 June 2026
And in Michigan, where the state Supreme Court has said the public can walk on Great Lakes beaches, some Lake Michigan shoreline property owners are building miles of seawalls and rock barriers.
—Melissa Scanlan, The Conversation, 9 June 2026
In March last year, one permit proposal called for repairs to the bluff below 5322 Calumet, extending an erodible concrete seawall — which is designed to recede at the same pace as the earth around it — that was built after a bluff failure in 2010.
—Ashley MacKin Solomon, San Diego Union-Tribune, 5 June 2026
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Dean Fioresi, CBS News, 14 June 2026
Regardless of the proximity to the seawall, Evans said the storage sites and fill remain a threat.
—Christiana Freitag, Chicago Tribune, 13 June 2026
And in Michigan, where the state Supreme Court has said the public can walk on Great Lakes beaches, some Lake Michigan shoreline property owners are building miles of seawalls and rock barriers.
—Melissa Scanlan, The Conversation, 9 June 2026
In March last year, one permit proposal called for repairs to the bluff below 5322 Calumet, extending an erodible concrete seawall — which is designed to recede at the same pace as the earth around it — that was built after a bluff failure in 2010.
—Ashley MacKin Solomon, San Diego Union-Tribune, 5 June 2026
See All Example Sentences for seawall
Cite this Entry
“Seawall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawall. Accessed 23 Jun. 2026.
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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