seawall

noun

sea·​wall ˈsē-ˌwȯl How to pronounce seawall (audio)
: 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
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.
Without healthy and thriving reefs, aquatic creatures lose their habitats and coastlines lose a natural seawall that can protect communities from storms — preventing billions of dollars in flood damage, according to the NOAA. Karen Hua, CBS News, 19 May 2025 The list also includes the possibility of leaving the tracks in place on the bluffs with no tunnel and installing a second set of rails with more seawalls and retaining walls. Phil Diehl, San Diego Union-Tribune, 4 Mar. 2025 Defenses like levees and seawalls are already protecting some coastal areas in Texas, and as sea levels rise, others may be able to invest in solutions to reduce their risks. Daniel R. Depetris, Newsweek, 6 Dec. 2024 They are also hated for their ability to burrow under infrastructure such as seawalls, sidewalks and roads, causing considerable damage. Orlando Sentinel Editorial Board, The Orlando Sentinel, 8 May 2025 See All Example Sentences for seawall

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of seawall was in the 15th century

Browse Nearby Words

Cite this Entry

“Seawall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawall. Accessed 4 Jun. 2025.

Kids Definition

seawall

noun
sea·​wall ˈsē-ˌwȯl How to pronounce seawall (audio)
: a wall or bank to prevent sea waves from wearing away the shore

More from Merriam-Webster on seawall

Last Updated: - Updated example sentences
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