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 The massive seawall that helped blunt the damage to town was reordered elsewhere along the coastline. Zachariah Hughes, Anchorage Daily News, 20 Sep. 2022 The owners say the 600-foot-long, seawall-like rockpile has become unstable, and repairs are needed to protect their beachfront homes from high tides, storms and waves. Phil Diehl, San Diego Union-Tribune, 17 July 2022 Plans for a mile-long bluff-top trail, a pedestrian rail crossing and a ramp or stairs to the beach were added at the Coastal Commission’s request to compensate for the loss of public beach caused by seawall construction. Phil Diehl, San Diego Union-Tribune, 8 June 2022 They’ve been munching away at Seattle’s Elliott Bay seawall for decades. Bruce Barcott, Outside Online, 25 Aug. 2011 Budnik said that the seawall will maintain all access points to the water residents now have. Alena Naiden, Anchorage Daily News, 17 July 2022 That line in the sand starts with shoring up the 1904 seawall along the river bank with 96,000 tons of granite to help deflect the force of ever-strengthening storms. Kris Van Cleave, CBS News, 7 July 2022 With prime real estate on Galveston's seawall, The Spot is one of the city's top dining attractions and a solid place to score quintessential beachy cocktails. Megha Mcswain, Chron, 22 July 2022 The March 11 quake was a 9.0, however, and not even the world’s largest seawall, the 1.2-mile, $1.5 billion barrier outside the city of Kamaishi, could hold back the water. Bruce Barcott, Outside Online, 25 Aug. 2011 See More

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.

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

27 Sep 2022

Cite this Entry

“Seawall.” Dictionary, Merriam-Webster, Accessed 6 Oct. 2022.

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More Definitions for seawall


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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