lagoon

noun

la·​goon lə-ˈgün How to pronounce lagoon (audio)
Synonyms of lagoonnext
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)
lagoonal adjective

Examples of lagoon 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.
The Rooms Our Bunk Suite featured a bedroom with a king-size bed and a balcony overlooking the lagoon. Kinsey Gidick, Travel + Leisure, 15 Mar. 2026 The barrier island’s largest development in 50 years features a private beach, multiple pools (including an adults-only one with butler services), a winding river, and a saltwater lagoon where guests can swim with tropical fish and rays. Tara Massouleh McCay, Southern Living, 12 Mar. 2026 Each of those projects was similar to the work needed at Buena Vista and included the side benefit of using the sand taken from the lagoons to widen nearby eroded beaches. Phil Diehl, San Diego Union-Tribune, 8 Mar. 2026 Originally a mix of swamps and lagoons, Albert Park received its name in 1864 to honor Prince Albert, Queen Victoria’s consort. Madeline Coleman, New York Times, 6 Mar. 2026 See All Example Sentences for lagoon

Word History

Etymology

French & Italian; French lagune, from Italian laguna, from Latin lacuna pit, pool, from lacus lake

First Known Use

1673, in the meaning defined at sense 1

Time Traveler
The first known use of lagoon was in 1673

Browse Nearby Words

Cite this Entry

“Lagoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lagoon. Accessed 19 Mar. 2026.

Kids Definition

lagoon

noun
la·​goon lə-ˈgün How to pronounce lagoon (audio)
: a shallow channel or pond near or connected with a larger body of water

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