The science of colors; that part of optics which treats
of the properties of colors.
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 ...