Definition of "seabed" [seabed]

• The floor of the sea or the ocean. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It’s a thriller-disaster novel and the destabilization of the methane in the arctic seabed is a major plot point."
• "The so-called seabed mining provisions were simply one manifestation of the problems Ronald Reagan had with LOST."
• "Being too hot on the seabed was a novel experience; so also was the mirage-like vision caused by the ascending water, which made my searchlights dance and tremble over the rock face I was exploring."