Ocean Ocean An ocean () is a body of saline water that composes much of a planet's hydrosphere. On Earth, an ocean is one of the major conventional divisions of the World Ocean. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans. The word "ocean" is often used interchangeably with "sea" in American English. Strictly speaking, a "sea" is a body of saline water (generally a division of the world ocean) partly or fully enclosed by land, though "the sea" refers also to the oceans. Saline water covers approximately and is customarily divided into
Middle-earth objects Númenor's eastern coast. She sometimes sailed to other harbours around Númenor. In the spring of the first ship from Númenor reached Middle-earth. This ship was "Entulessë" (Return), and she was commanded by Vëantur, the Captain of the King's Ships under Tar-Elendil, the fourth king of Númenor. In Middle-earth "Entulessë" landed in the Grey Havens, where Vëantur initiated Númenor's friendship with Gil-galad, the King of the High Elves. Vëantur subsequently made further expeditions to Middle-earth, eventually using the ship "Númerráma". "Hirilondë" (Haven-finder) was the largest ocean-going ship built by Aldarion. The vessel was constructed in the shipyards of Rómenna, the great