1. Any significant accumulation of water, such as a sea, ocean, lake, river, or reservoir
The Amazon River is one of the largest water bodies in the world.
O Rio Amazonas é um dos maiores corpos de água do mundo.
2. A mass of water that is entirely surrounded by land or partially enclosed
Lake Michigan is a major water body in North America.
O Lago Michigan é um importante corpo de água na América do Norte.