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

Guests can meet Anna and Elsa inside Arendelle Castle, have a conversation with a responsive baby troll named Mossy who talks back, and watch a lagoon celebration called the Snow Flower Festival — featuring an original song. —Thomas Adamson, Fortune, 29 Mar. 2026

There are tennis courts, lagoon kayak trips, and fishing rods to rent; plenty to keep kids and adults of all ages happy. —Condé Nast, Condé Nast Traveler, 28 Mar. 2026

Humboldt Lagoons State Park is home to the largest lagoon system in the United States and is about 30 miles north of Eureka. —Sacbee.com, 27 Mar. 2026

Tellus Group has created other developments with unique amenities, like Windsong Ranch, a 2,000-acre community in Prosper with a 5-acre lagoon. —Neal Franklin, Dallas Morning News, 26 Mar. 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