lagoon

noun

la·​goon lə-ˈgün 

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 

adjective

Examples of lagoon in a Sentence

Recent Examples on the Web

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

There are smaller ocean islands, too, ringed by soft, golden shores and graced with sparkling lagoons and top-tier resorts. —Melanie Van Zyl, Travel + Leisure, 6 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

My favorite thing was sitting on the deck out front at end of the day, reading a book with the fan going, overlooking the lagoon. —Lisa Aiken, Vogue, 23 Feb. 2026

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

Rhymes for lagoon

• attune
• baboon
• balloon
• bassoon
• buffoon
• cartoon
• cocoon
• festoon
• gaboon
• harpoon
• immune
• impugn

Kids Definition

lagoon

noun

la·​goon lə-ˈgün 

: a shallow channel or pond near or connected with a larger body of water