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

Further afield, on a small island across the lagoon, stands a remarkable addition to Venice. —Fiona Sinclair Scott, CNN Money, 9 May 2026

The Retreat at Blue Lagoon — Iceland The Retreat at Blue Lagoon Iceland is the quieter, more private cousin of Iceland’s famous public lagoon. —Hanna Wickes, Charlotte Observer, 9 May 2026

The venue, Chiesa di Santa Maria del Pianto, is an octagonal church and former monastery facing the northern lagoon of Venice. —Thomas Patier, Artforum, 7 May 2026

Beyond the flats, the high-altitude desert reveals lagoons, geysers and striking, otherworldly rock formations. —Anna Marie De La Fuente, Variety, 6 May 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