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

The Ria Formosa Natural Park is close by and offers plenty of opportunities for birdwatching and trails to walk around its lagoons. — Condé Nast, Condé Nast Traveler, 21 Aug. 2026

This event allows the public to enjoy kayaking waters normally closed to boating, while simultaneously aiding in preserving the lagoon habitat by removing trash. — Ut Community Press, San Diego Union-Tribune, 18 Aug. 2026

Turquoise lagoons, villas suspended above the Indian Ocean, the promise of almost total escape. — Lela London, Forbes.com, 17 Aug. 2026

The short, shot entirely on the lagoon islands, is supported by the Veneto Film Commission and distributed by Italy’s Cattive Produzioni. — Nick Vivarelli, Variety, 15 Aug. 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