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

Step inside the airy (and delightfully air-conditioned) lobby and Al Mandhar lounge unfurls beyond two soaring areca palms, with check-in desks tucked discreetly down a side corridor that leads to the hotel's shopping boutique and lagoon. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026

News of the discovery did not seem to surprise people familiar with the lagoon. — Mark Price, Charlotte Observer, 5 Oct. 2026

Here the 40,000-square-foot wellness facility—the largest dedicated spa on Shura Island—includes 39 indoor and outdoor treatment rooms that overlook lagoons and gardens. — Robb Report Studio, Robb Report, 3 Oct. 2026

The bright blue lagoon waters of Venice, Italy and its iconic canals stand out in this true-color satellite image. — Chelsea Gohd, Space.com, 30 Sep. 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