The term SEA BOTTOM refers to the bottom of a body of water, such as an ocean or sea. The crossword solutions for this term include BED (3 letters), FLOOR (5 letters), GROUND (6 letters), SEABED (6 letters), SEAFLOOR (8 letters), and OCEANBASIN (10 letters). Each of these terms describes the bottom of a body of water, with BED and FLOOR being the most general terms, GROUND referring to the solid surface beneath the water, SEABED and SEAFLOOR referring to the bottom of a sea or ocean, and OCEANBASIN referring to the large area of the ocean FLOOR.