sea·​wall | \ ˈsē-ˌwȯl How to pronounce seawall (audio) \

Definition of seawall

: 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 In Miami, tech workers are now flooding into waterfront skyrises while the Army Corps of Engineers draws up plans for a 20-foot seawall to carve up the streets below. Nicolás Rivero, Quartz, 9 June 2021 Fourteen migrants were arrested after a boat crashed in the seawall in Pompano Beach on Thursday morning, authorities said. Austen Erblat,, 17 June 2021 That wall that collapsed and will be replaced by the new, 288-foot-long seawall, SANDAG officials said. Phil Diehl, San Diego Union-Tribune, 1 May 2021 The men buried at Block 14 helped build Oregon’s railway system and the Willamette River seawall — while being taken advantage of financially for their work. oregonlive, 25 Apr. 2021 The settlement, signed in late March, was contingent upon the commission’s approval of the seawall application. Phil Diehl, San Diego Union-Tribune, 10 June 2021 But their home site was immediately noted as problematic, perilously wedged between Eola’s seawall and a pair of cypress trunks. Kevin Spear,, 22 May 2021 Building resilience through architectural changes, urban planning, reforestation, seawall construction, and many other practices can help limit the effects of climate change. Adam Met, Quartz, 20 Apr. 2021 Embarcadero seawall will be needed to protect cities. Joe Garofoli,, 18 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seawall.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seawall

15th century, in the meaning defined above

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

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Last Updated

29 Jul 2021

Cite this Entry

“Seawall.” Dictionary, Merriam-Webster, Accessed 31 Jul. 2021.

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More Definitions for seawall



English Language Learners Definition of seawall

: a wall built to keep sea waves from coming up onto land


sea·​wall | \ ˈsē-ˌwȯl How to pronounce seawall (audio) \

Kids Definition of seawall

: a bank or a wall to prevent sea waves from eroding the shore

More from Merriam-Webster on seawall

Thesaurus: All synonyms and antonyms for seawall


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