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
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Developed by Ørsted, a Danish energy company headquartered in Fredericia, Hornsea 3 linked its first export cable from the North Sea seabed to the UK coast on March 26.
—Georgina Jedikovska, Interesting Engineering, 30 Mar. 2026
Other statistical approaches model seabeds and identify anomalies that deviate from it.
—John Femiani, The Conversation, 30 Mar. 2026
In 1969 a United Nations report cited studies suggesting the possibility of large oil reserves in the surrounding seabed.
—Ethan Teekah, Encyclopedia Britannica, 17 Mar. 2026
The film’s direction, combined with the film’s cinematography, focuses on the mythological essence of Elefsina and the mysterious shipwrecks hidden in the darkness of its seabed.
—Matthew Carey, Deadline, 15 Mar. 2026
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Georgina Jedikovska, Interesting Engineering, 30 Mar. 2026
Other statistical approaches model seabeds and identify anomalies that deviate from it.
—John Femiani, The Conversation, 30 Mar. 2026
In 1969 a United Nations report cited studies suggesting the possibility of large oil reserves in the surrounding seabed.
—Ethan Teekah, Encyclopedia Britannica, 17 Mar. 2026
The film’s direction, combined with the film’s cinematography, focuses on the mythological essence of Elefsina and the mysterious shipwrecks hidden in the darkness of its seabed.
—Matthew Carey, Deadline, 15 Mar. 2026
See All Example Sentences for seabed
Cite this Entry
“Seabed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seabed. Accessed 6 Apr. 2026.
Copy CitationKids Definition
seabed
noun
sea·bed
ˈsē-ˌbed 
: the floor of a sea or ocean
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