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

Besides rich fishing grounds in its lagoon and surrounding waters, there’s seemingly little remarkable about the shoal. — Ivan Watson, CNN Money, 24 July 2026

To me, what makes Evermore Bay stand out is the lagoon itself (eight acres) and the materials used (20 acres of sand, no hot concrete). — Jacqui Gifford, Travel + Leisure, 21 July 2026

Forbes was also a public figure in a proposal to redevelop Fisherman’s Wharf, which envisions constructing a public plaza and adding a new overlook and lighting to the wharf’s inner lagoon. — Los Angeles Times, 20 July 2026

Pirates Voyage Pirates Voyage is built around full-size ships, an indoor lagoon and a four-course dinner served during the show. — Noel Burgess, Forbes.com, 20 July 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