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

Situated in the Mediterranean between Italy and North Africa, the island of Malta is known for its 5,000-year-old megalithic temples, crystal clear lagoon waters, and cinematic landscapes. — The Editors Of Artnews, ARTnews.com, 27 July 2026

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

The venture extends to nearby land next to a coastal lagoon, which serves as a crucial habitat for flamingos, sea turtles, and other species. — Isaac Stanley-Becker, The Atlantic, 23 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

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