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

Its primary purpose was to carry water and sewer utility lines across the lagoon’s main channel, but it also was intended to be part of the popular bicycle and pedestrian trail planned along the tracks. —Phil Diehl, San Diego Union-Tribune, 15 Feb. 2026

Pared back to the barest, chicest essentials, these six private bungalows are steps from a tropical lagoon dotted with traditional wooden dhows. —Megan Spurrell, Condé Nast Traveler, 10 Feb. 2026

The great lagoon containing the city of Venice is visible to the right, on the Adriatic coast. —Anthony Wood, Space.com, 10 Feb. 2026

There’s a dining table and a sofa, for eating and reading in the fresh air with clear views of the lagoon. —Elly Leavitt, Vogue, 9 Feb. 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