lagoon

noun

la·​goon lə-ˈgün How to pronounce lagoon (audio)
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.
Docents will lead a 1 1/2-hour hike on the trail and discuss creatures that fly around the lagoon. Linda McIntosh, San Diego Union-Tribune, 7 Feb. 2025 Additionally, over 500 tidewater gobies were saved from a lagoon at the base of the creek in a separate effort. Anton Sorokin, Smithsonian Magazine, 5 Feb. 2025 Full lagoons; warm, not too hot; rains have passed, but the gateway towns are busy. Greg Iacurci, CNBC, 1 Feb. 2025 There is also an accessible entrance to the main lobby (an elevator lies right next to the grand staircase), fitness center, spa, meeting spaces, and lagoon pool. Jacqui Gifford, Travel + Leisure, 30 Jan. 2025 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

Dictionary Entries Near lagoon

Cite this Entry

“Lagoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lagoon. Accessed 21 Feb. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!