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
lə-ˈgü-nᵊl How to pronounce lagoon (audio)
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 brackish lagoons are a fuel stop for birds crossing between Europe and Africa, making for a constantly rotating avian cast. — Alexandra Marvar, Vogue, 20 Oct. 2026 The lagoon on the south shore of Long Island is half in Brooklyn, half in Queens, so expect jurisdiction headaches to accompany the dramatic monologues. — Bethy Squires, Vulture, 16 Oct. 2026 In a Tuesday statement, Purdue University officials said researchers came across at least four coconut crabs while clearing an overgrown trail to the island's lagoon. — Andrea Margolis, FOXNews.com, 15 Oct. 2026 Members of the expedition are searching a lagoon off the coast of Nikumaroro. — Lana Zak, CBS News, 15 Oct. 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

Rhymes for lagoon

See All Rhymes for lagoon

Browse Nearby Words

lagon
lagoon
lagoonal
See all Nearby Words

Cite this Entry

“Lagoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lagoon. Accessed 27 Oct. 2026.

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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

More from Merriam-Webster on lagoon

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