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The floor of the sea or the ocean.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


the ground under the sea
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈsiˌflɔr, -ˌfloʊr)

the solid surface underlying a sea or ocean. Also called seabed.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.seabed - the bottom of a sea or oceanseabed - the bottom of a sea or ocean  
abyssal zone - the deep sea (2000 meters or more) where there is no light
bed, bottom - a depression forming the ground under a body of water; "he searched for treasure on the ocean bed"
continental shelf - the relatively shallow (up to 200 meters) seabed surrounding a continent
bathyal district, bathyal zone, continental slope - the steep descent of the seabed from the continental shelf to the abyssal zone
neritic zone - the ocean waters from the low tide mark to a depth of about 100 fathoms
twilight zone - the lowest level of the ocean to which light can reach
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


sea bed [ˈsiːbɛd] nfonds mpl marins
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
References in periodicals archive ?
* Assured Access and Award of Contracts (ensure that qualified applicants are allowed to explore and exploit seabed minerals);
It would create a mammoth bureaucracy to regulate exploration of the ocean depths and commercial development of the seabed's riches.
According to them, the move will allow the country's seabed to rebuild and replenish.
The main function of ISA is to regulate deep seabed mining and to give special emphasis to ensuring that the marine environment is protected from any harmful effects.
ION Geophysical announced a memorandum of understanding to collaborate on seabed acquisition technologies.
Jamaica is advancing legislation that will ensure compliance with all relevant international rules and best environmental practices in relation to exploration in the seabed area.
(NASDAQ: OMEX), has agreed to acquire an 80% interest in a holding company whose primary asset is an exclusive license for a mineral deposit from New York, US-based Seabed Capital LLC to diversify mineral portfolio, the company said.
As for the delineation of the Caspian seabed for subsoil use, according to the document, each stateenjoys sovereign rights for subsoil use within its bottom sector.
The expedition team - funded by Microsoft co-founder Paul Allen - announced that the wreckage of the Lexington, crippled and then scuttled on May 8, 1942, during the Battle of the Coral Sea, was found on the seabed more than 500 miles off Australia's east coast.
According to a report, citing an update posted Tuesday by Malaysia's MH370 Response Team, Ocean Infinity's search ship, the Seabed Constructor, was able to launch all eight of its autonomous underwater vehicles following favorable weather conditions.
Seabed Constructor, the vessel tasked to search for missing Malaysia Airlines Flight MH370, has arrived at the search area in the southern Indian Ocean.