: 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
Additional conveniences include an elevator, a full-house generator, a new seawall, and a comprehensive security system.
—
Abby Montanez, Robb Report, 23 Apr. 2026
The goal is to restore some of the biodiversity that disappeared when the river's natural marshlands were replaced by seawalls and development.
—Jacob Wycoff, CBS News, 17 Apr. 2026
The barge, carrying material from a seawall demolition, included a deckhouse and a construction crane that blocked the view ahead from the tugboat's pilothouse, which should have prompted Insua to have someone else on the boat act as a lookout, prosecutors alleged.
—Dennis Romero, NBC news, 1 Apr. 2026
With the National Park Service still in the midst of a three-year renovation project to shore up the basin’s aging seawall in time for this summer’s anniversary, parts of the basin are fenced off.
—ABC News, 26 Mar. 2026
See All Example Sentences for seawall
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Abby Montanez, Robb Report, 23 Apr. 2026
The goal is to restore some of the biodiversity that disappeared when the river's natural marshlands were replaced by seawalls and development.
—Jacob Wycoff, CBS News, 17 Apr. 2026
The barge, carrying material from a seawall demolition, included a deckhouse and a construction crane that blocked the view ahead from the tugboat's pilothouse, which should have prompted Insua to have someone else on the boat act as a lookout, prosecutors alleged.
—Dennis Romero, NBC news, 1 Apr. 2026
With the National Park Service still in the midst of a three-year renovation project to shore up the basin’s aging seawall in time for this summer’s anniversary, parts of the basin are fenced off.
—ABC News, 26 Mar. 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 27 Apr. 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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