Definition of "sea bottom" []

• The bottom of a sea or ocean (noun)

WordNet. Princeton University. 2010.

• "As what proved to be the last warrior came into view from the pass, he halted and, to our consternation, threw his small but powerful fieldglass to his eye and scanned the sea bottom in all directions."
• "The submarine is equipped to drill down for rock samples, through the superficial sediments of the sea bottom down to the volcanic rocks of the lithosphere itself, and it also has an onboard laboratory for dating rock samples radiometrically see Chapter 4."
• "What seems the only real danger to Australia lies not in the eruptions of some suddenly created new volcano, or any ordinary earthquake, but in just such shrinkages in the sea bottom as occurred on the coast of Japan, off Fraser Island, and many other localities, including Lisbon and Port Royal."