1
: a shallow sound, channel, or pond near or communicating with a larger body of water
2
: a shallow artificial pool or pond (as for the processing of sewage or storage of a liquid)
Examples of lagoon in a Sentence
Recent Examples on the Web
Dikes may be necessary to protect Venice's city center from the rest of the lagoon, according to the paper.
—
Julia Jacobo, ABC News, 16 Apr. 2026
Sheltered coastlines, reefs, and lagoons play a major role here, helping to create calmer conditions and more consistent water temperatures.
—Lauren Dana Ellman, Travel + Leisure, 14 Apr. 2026
The graceful curves of Boston’s beloved Swan Boats took shape today in the Public Garden just in time for the warm weather and another season of peaceful paddle rides around the lagoon.
—Boston Herald Staff, Boston Herald, 13 Apr. 2026
Coming in late 2027, cruisers will also get to experience a variety of new facilities on the island, including four additional dining venues, a family lagoon and a dedicated adults-only beach.
—Natalia Senanayake, PEOPLE, 13 Apr. 2026
See All Example Sentences for lagoon
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Julia Jacobo, ABC News, 16 Apr. 2026
Sheltered coastlines, reefs, and lagoons play a major role here, helping to create calmer conditions and more consistent water temperatures.
—Lauren Dana Ellman, Travel + Leisure, 14 Apr. 2026
The graceful curves of Boston’s beloved Swan Boats took shape today in the Public Garden just in time for the warm weather and another season of peaceful paddle rides around the lagoon.
—Boston Herald Staff, Boston Herald, 13 Apr. 2026
Coming in late 2027, cruisers will also get to experience a variety of new facilities on the island, including four additional dining venues, a family lagoon and a dedicated adults-only beach.
—Natalia Senanayake, PEOPLE, 13 Apr. 2026
See All Example Sentences for lagoon
Cite this Entry
“Lagoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lagoon. Accessed 20 Apr. 2026.
Copy CitationKids Definition
lagoon
noun
la·goon
lə-ˈgün 
: a shallow channel or pond near or connected with a larger body of water
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