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
The International Seabed Authority is preparing to make key decisions on future seabed mining in July 2025, including rules and guidelines relating to mining waste, discharge depths and environmental protection.
—Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
The Trump Administration signed an executive order late last month aiming to fast-track approval for seabed mining critical minerals found in the deep sea.
—Simmone Shah, Time, 7 May 2025
Still, government officials in Mauritius and Seychelles seem to be eager to take advantage of the financial opportunity that seabed mining appears to represent.
—Ian Urbina, Los Angeles Times, 28 Mar. 2025
America may not mine its new seabed for decades anyhow.
—Jack Truesdale, The Atlantic, 25 Jan. 2025
See All Example Sentences for seabed
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.
Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
The Trump Administration signed an executive order late last month aiming to fast-track approval for seabed mining critical minerals found in the deep sea.
—Simmone Shah, Time, 7 May 2025
Still, government officials in Mauritius and Seychelles seem to be eager to take advantage of the financial opportunity that seabed mining appears to represent.
—Ian Urbina, Los Angeles Times, 28 Mar. 2025
America may not mine its new seabed for decades anyhow.
—Jack Truesdale, The Atlantic, 25 Jan. 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 8 Jul. 2025.
Copy CitationKids Definition
seabed
noun
sea·bed
ˈsē-ˌbed 
: the floor of a sea or ocean
Love words? Need even more definitions?
Merriam-Webster unabridged
Share