seabed

noun

sea·​bed ˈsē-ˌbed How to pronounce seabed (audio)
variants or less commonly sea bed
plural seabeds also sea beds
: the floor of a sea or ocean : seafloor
This atoll is the summit of an undersea volcano that rises from the seabed 10,000 feet below the surface.Kennedy Warne

Examples of seabed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The region’s foundation is marine-derived, reflecting an ancient seabed that once covered the area. Paul Caputo, Forbes.com, 7 Apr. 2025 As Greenpeace said at the very start of this ISA meeting, The Metals Company is desperate and now is encouraging a breach of customary international law by announcing their intent to mine the international seabed through the United States' Deep Sea Hard Mineral Resources Act. Ron Estes, MSNBC Newsweek, 31 Mar. 2025 And in between castle stays and tours, don’t miss out on natural attractions such as the Cliffs of Moher and The Burren (an ancient tropical seabed). Nicole Kliest, Vogue, 10 Mar. 2025 Mining firms claim the deep seabed could provide a major new source of minerals independent of China, which controls the supply of many critical minerals. Daniel Ackerman, NPR, 27 Mar. 2025 See All Example Sentences for seabed

Word History

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of seabed was in 1838

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Cite this Entry

“Seabed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seabed. Accessed 13 Apr. 2025.

Kids Definition

seabed

noun
sea·​bed ˈsē-ˌbed How to pronounce seabed (audio)
: the floor of a sea or ocean

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