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
Just days later, an application was filed—the world's first—to commercially mine the global seabed for minerals, including manganese, nickel, copper, and cobalt.
—Kevin Green, MSNBC Newsweek, 5 Aug. 2025
In January 2025, the non-profit As You Sow announced a withdrawal agreement with First Solar to exclude minerals mined from the deep seabed.
—Jennifer Kite-Powell, Forbes, 28 Feb. 2025
The Endurance Wreck, Revived By AI From space to seabed, the Future Lab experience also plunged into the history of Ernest Shackleton’s legendary ship, the Endurance.
—Bernard Marr, Forbes.com, 24 July 2025
In billion-year-old seabeds, the remains of these creatures piled up and compacted, first becoming limestone and then, thanks to intense heat and pressure, marble.
—Meara Sharma, The Dial, 22 July 2025
See All Example Sentences for seabed
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Kevin Green, MSNBC Newsweek, 5 Aug. 2025
In January 2025, the non-profit As You Sow announced a withdrawal agreement with First Solar to exclude minerals mined from the deep seabed.
—Jennifer Kite-Powell, Forbes, 28 Feb. 2025
The Endurance Wreck, Revived By AI From space to seabed, the Future Lab experience also plunged into the history of Ernest Shackleton’s legendary ship, the Endurance.
—Bernard Marr, Forbes.com, 24 July 2025
In billion-year-old seabeds, the remains of these creatures piled up and compacted, first becoming limestone and then, thanks to intense heat and pressure, marble.
—Meara Sharma, The Dial, 22 July 2025
See All Example Sentences for seabed
Cite this Entry
“Seabed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seabed. Accessed 20 Aug. 2025.
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seabed
noun
sea·bed
ˈsē-ˌbed 
: the floor of a sea or ocean
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