variants
or less commonly sea floor
plural seafloors also sea floors
: the floor of a sea or ocean : seabed
The Earth's crust, in this view, is divided into several immense plates that make up the continents and seafloors, and that all float on a hot, plastic, subterranean "mantle."—
Walter Sullivan
Walter SullivanExamples of seafloor in a Sentence
Recent Examples on the Web
The buoys, for example, have temperature sensors that dangle all the way to the seafloor.
—Emilie Le Beau Lucchesi, Discover Magazine, 6 May 2024
This hulk of metal, a deepwater platform called Appomattox and owned by Shell, collects the oil and gas that rigs tap from reservoirs thousands of feet below the seafloor.
—Ivan Penn, New York Times, 3 May 2024
See all Example Sentences for seafloor 
Emilie Le Beau Lucchesi, Discover Magazine, 6 May 2024
This hulk of metal, a deepwater platform called Appomattox and owned by Shell, collects the oil and gas that rigs tap from reservoirs thousands of feet below the seafloor.
—Ivan Penn, New York Times, 3 May 2024
See all Example Sentences for seafloor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seafloor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near seafloor
Cite this Entry
“Seafloor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seafloor. Accessed 18 May. 2024.
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