Dictionary of Ichthyology |
lagoon = 1) a shallow pond or elongate channel separated from the open ocean by a sand bar or reef, or by a narrow outlet, with little or no freshwater input. |
Agua Hedionda Lagoon, Carlsbad, California from Wikimedia Commons: http://commons.wikimedia.org/wiki/File:Agua_Hedionda_Lagoon_1.jpg |