la·​goon lə-ˈgün How to pronounce lagoon (audio)
: a shallow sound, channel, or pond near or communicating with a larger body of water
: 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 While the shallow lagoon, bordered by villas, is perfect for little ones, The Retreat, for adults only, is ideal for lazy afternoons. Angelina Villa-Clarke, Forbes, 13 Feb. 2024 In 2021, large cruise ships were banned from entering the Venice lagoon following complaints that their wakes were eroding the fragile shoreline, and that the historic city center’s population of 50,000 was often swollen by more than 40,000 passengers. The Week Staff, theweek, 15 Jan. 2024 The family event will focus on winter migrating birds that visit the lagoon. Linda McIntosh, San Diego Union-Tribune, 6 Jan. 2024 The current moved the algae from the lagoon as well, Wysocki said, spitting it out where manatees feed on it. Miami Staff, Miami Herald, 30 Jan. 2024 The site’s snaking wooden boardwalk paths and concrete walkways trace a multi-layered map of Greenwood Park’s lagoon. Catherine Duncan, Smithsonian Magazine, 29 Jan. 2024 The cuisine is also a big draw, as are the lagoons. Tina Charisma, Essence, 26 Jan. 2024 Neighbors reported hearing a shooting around 5:00 a.m. Los Angeles County sheriff’s detectives arrested Simmons in October after tying him to the body recovered from the Malibu lagoon. Richard Winton, Los Angeles Times, 12 Jan. 2024 Participants hauled away 158 pounds of trash from the lagoon and surrounding habitat that day. U-T Staff, San Diego Union-Tribune, 29 Dec. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lagoon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

Kids Definition


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