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
The lagoon is considered one of the most diverse estuaries in the nation, an abundant breeding ground for fish, birds and aquatic plants.
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Orlando Sentinel Editorial Board, The Orlando Sentinel, 13 Aug. 2025
The Italian lagoon city, already experimenting with tourist entry fees to manage footfall, stands to lose $14.1 billion in direct GDP and $18.4 billion in indirect and induced economic activity.
—Emese MacZko, Forbes.com, 12 Aug. 2025
Louisville Water's residual lines carry byproducts from the water treatment process from the Crescent Hill Water Treatment Plant to lagoons at Louisville Water's B. E. Payne Water Treatment Plant in Prospect, according to the project website.
—Killian Baarlaer, The Courier-Journal, 9 Aug. 2025
At the northern end of the pedestrian bridge, a ramp will be built down the hillside to the trails along the lagoon with connections to the nearby beach or east to South Coast Highway.
—Phil Diehl, San Diego Union-Tribune, 4 Aug. 2025
See All Example Sentences for lagoon
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Orlando Sentinel Editorial Board, The Orlando Sentinel, 13 Aug. 2025
The Italian lagoon city, already experimenting with tourist entry fees to manage footfall, stands to lose $14.1 billion in direct GDP and $18.4 billion in indirect and induced economic activity.
—Emese MacZko, Forbes.com, 12 Aug. 2025
Louisville Water's residual lines carry byproducts from the water treatment process from the Crescent Hill Water Treatment Plant to lagoons at Louisville Water's B. E. Payne Water Treatment Plant in Prospect, according to the project website.
—Killian Baarlaer, The Courier-Journal, 9 Aug. 2025
At the northern end of the pedestrian bridge, a ramp will be built down the hillside to the trails along the lagoon with connections to the nearby beach or east to South Coast Highway.
—Phil Diehl, San Diego Union-Tribune, 4 Aug. 2025
See All Example Sentences for lagoon
Cite this Entry
“Lagoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lagoon. Accessed 28 Aug. 2025.
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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