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
Kennedy WarneExamples of seabed in a Sentence
Recent Examples on the Web
In 2023, the Crown Estate Scotland announced the successful auction of seabed leases for new offshore wind projects, totaling a capacity of 5 gigawatts.
—Gordon Feller, Ars Technica, 6 Feb. 2025
In this photo provided by the California Gold Marketing Group is the trunk belonging to S.S. Central America passengers Ansel and Adeline Easton that was discovered on the Atlantic Ocean seabed in 1990.
—CBS News, 4 Feb. 2025
Read More: 5,500 New Marine Life Species Discovered in Mining Area
The Future of the Deep Sea
The new insight on Borealis is relevant as the Arctic seabed could soon become a center for deep-sea mining, posing a major threat to seafloor environments.
—Jack Knudson, Discover Magazine, 28 Jan. 2025
America has no immediate plans to excavate its new seabed, which includes chunks of the Arctic Ocean, Bering Sea, and Atlantic, as well as several small pockets of the Gulf of Mexico and the Pacific.
—Jack Truesdale, The Atlantic, 25 Jan. 2025
See all Example Sentences for seabed 
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Gordon Feller, Ars Technica, 6 Feb. 2025
In this photo provided by the California Gold Marketing Group is the trunk belonging to S.S. Central America passengers Ansel and Adeline Easton that was discovered on the Atlantic Ocean seabed in 1990.
—CBS News, 4 Feb. 2025
Read More: 5,500 New Marine Life Species Discovered in Mining Area
The Future of the Deep Sea
The new insight on Borealis is relevant as the Arctic seabed could soon become a center for deep-sea mining, posing a major threat to seafloor environments.
—Jack Knudson, Discover Magazine, 28 Jan. 2025
America has no immediate plans to excavate its new seabed, which includes chunks of the Arctic Ocean, Bering Sea, and Atlantic, as well as several small pockets of the Gulf of Mexico and the Pacific.
—Jack Truesdale, The Atlantic, 25 Jan. 2025
See all Example Sentences for seabed
Dictionary Entries Near seabed
Cite this Entry
“Seabed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seabed. Accessed 21 Feb. 2025.
Copy CitationKids Definition
seabed
noun
sea·bed
ˈsē-ˌbed 
: the floor of a sea or ocean
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