# lagoon

/ɫəˈɡun/ (US) · /lɐɡˈuːn/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/lagoon
Updated: 2026-05-06

## Definition

a pool of salt water that is separated from the ocean by a sandbank or a coral reef.

For teachers: a shallow body of water separated from a larger body of water by barrier islands or reefs.

## Examples

- The water in the lagoon is very clear and calm.
- Tourists often take small boats out to the lagoon to see the colorful fish living in the shallow water.
- The resort was built around a natural lagoon, providing guests with a sheltered swimming area protected from the heavy surf of the open ocean.

## Usage notes

- Often used with the definite article when referring to a specific geographical feature.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.