The ocean bottom is the area of the seafloor that lies beneath the surface of the ocean. It is composed of sediment, rocks, and other materials that have been deposited over time. The seafloor is the 8-letter solution to this crossword puzzle, and it is the foundation of the ocean bottom. The BED is the 3-letter solution, and it is the layer of sediment that covers the seafloor. The KEEL is the 4-letter solution, and it is a ridge or line of rock that runs along the seafloor. The FLOOR is the 5-letter solution, and it is the solid surface of the seafloor. Together, these four solutions form the ocean bottom.