(from the article `undersea exploration`) The ocean floor has the same general character as the land areas of the world: mountains, plains, channels, canyons, exposed rocks, and ... Traditionally, the high seas beyond the territorial waters of states have been regarded as open to all and incapable of appropriation. The definition ... ... Found on http://www.britannica.com/eb/a-z/o/4
Flat plain found at the bottom of the ocean. The ocean floor represents the surface of the oceanic crust. The ocean floor lies between the mid-oceanic ridges and the trenches, usually 5,000 to 7,000 meters below the ocean surface. Also called the abyssal plain. Found on http://www.physicalgeography.net/physgeoglos/o.html