1. shallow bodies of water separated from a larger body of water by sandbars, coral reefs, or other barriers

Examples

• The tropical lagoons were crystal clear and perfect for swimming.
• Many coral atolls contain beautiful blue lagoons in their centers.
• The coastal lagoons provide important habitat for migrating birds.
• We kayaked through the shallow lagoons behind the barrier island.
• The Venice lagoons are famous for their unique ecosystem.
• Fish and crabs thrive in the protected waters of these lagoons.