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barrier island
noun
: a long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean
Examples of barrier island in a Sentence
Recent Examples on the Web
Cape Lookout National Seashore, North Carolina One of North Carolina’s most remote beaches, this barrier island offers an uninterrupted sunrise over the Atlantic.
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Staff Report, Hartford Courant, 2 Feb. 2025
This 8-mile-long barrier island entices with quartz-sand beaches and sparkling Gulf water.
—
Kara Franker, Southern Living, 10 Jan. 2025
After a lengthy tenure, Jay Schottenstein has decided to relinquish ownership of his South Florida home on the Miami-area barrier island of Key Biscayne.
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Wendy Bowman, Robb Report, 10 Dec. 2024
Siesta Key is a barrier island adjacent to Sarasota.
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NBC News, 11 Oct. 2024
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Word History
First Known Use
1773, in the meaning defined above
Dictionary Entries Near barrier island
Cite this Entry
“Barrier island.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barrier%20island. Accessed 8 Feb. 2025.
Kids Definition
barrier island
noun
: a long broad sandy island parallel to a shore that is built up by the action of waves, currents, and winds
More from Merriam-Webster on barrier island
Britannica.com: Encyclopedia article about barrier island
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