: 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
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
After Hurricane Milton, a 2024 Category 4 hurricane, the DEP issued an emergency order in Tampa Bay for immediate repairs to its seawalls that crumbled during the storm.
—Ashley Miznazi, Miami Herald, 20 Mar. 2026
At the back edge of a backyard, in a dead-end South Florida canal, Arthur Tiedeman is drilling holes into the face of a seawall his marine construction company recently installed.
—Nathan Rott, NPR, 17 Mar. 2026
See All Example Sentences for seawall
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
After Hurricane Milton, a 2024 Category 4 hurricane, the DEP issued an emergency order in Tampa Bay for immediate repairs to its seawalls that crumbled during the storm.
—Ashley Miznazi, Miami Herald, 20 Mar. 2026
At the back edge of a backyard, in a dead-end South Florida canal, Arthur Tiedeman is drilling holes into the face of a seawall his marine construction company recently installed.
—Nathan Rott, NPR, 17 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 5 Apr. 2026.
Copy CitationKids Definition
seawall
noun
sea·wall
ˈsē-ˌwȯl 
: a wall or bank to prevent sea waves from wearing away the shore
Love words? Need even more definitions?
Merriam-Webster unabridged
