lagoon

1. n. A shallow sound, channel, pond, or lake, especially one into which the sea flows; as, the lagoons of Venice. Source: opted

2. n. A lake in a coral island, often occupying a large portion of its area, and usually communicating with the sea. See Atoll. Source: opted

3. n. a body of water cut off from a larger body by a reef of sand or coral Source: wordnet

4. 1. A shallow sound, channel, 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. See Atoll. Lagoon island, a coral island consisting of a narrow reef encircling a lagoon. Source: webster

5. A morbid condition in which the eye stands wide open, giving apeculiar staring appearance. Source: adambom

6. n:100 n. a body of water cut off from a larger body by a reef of sand or coral Source: ecdict

Thesaurus links