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

One even pulled me around a lagoon like a Jet Ski with a blowhole. — Matt Reigle Outkick, FOXNews.com, 1 July 2026

With sweeping Icelandic scenery all around, the lagoon offers a large, inviting space to warm up and soak in the mineral-rich waters. — Abby Price, Travel + Leisure, 28 June 2026

Get ready to go do a folk dance to ward off the creature from the black lagoon in Universal Studios’ Eggersland someday. — Jason P. Frank, Vulture, 29 June 2026

On Chicago’s West Side, small groups huddled under the shade of trees on lawn chairs in Humboldt Park while others basked in the sun along the edge of the park’s lagoon. — Evgenia Anastasakos, Chicago Tribune, 29 June 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