body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"

high sea, international waters - the open seas of the world outside the territorial waters of any nation

hydrosphere - the watery layer of the earth's surface; includes water vapor

offing - the part of the sea that can be seen from the shore and is beyond the anchoring area; "there was a ship in the offing"

territorial waters - the waters surrounding a nation and its territories over which that nation exercises sovereign jurisdiction

salt - containing or filled with salt; "salt water"