La-gōon', n.

n. [It. & Sp. laguna, Fr. lagune, from Lat. laguna. See LACUNA.] [Written also lagune.]

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