lagoon Meaning, Definition & Usage

noun a body of water cut off from a larger body by a reef of sand or coral
lagune; laguna.

It. or Sp. laguna, L. lacuna ditch, pool, pond,lacus lake. See Lake, and cf. Lacuna.

A shallow sound, channel, pond, or lake, especially one into which the sea flows; as, the lagoons of Venice.
A lake in a coral island, often occupying a large portion of its area, and usually communicating with the sea. See Atoll.