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
This gear stores the rope and buoy with a trap on the seafloor until an acoustic release mechanism sends the buoy to the surface.
—Jason Mastrodonato, Mercury News, 4 Apr. 2025
Current mining regulations focus primarily on the seafloor, overlooking broader ecosystem impacts.
—Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
Of the approximately 300 species of octopus scattered across every ocean on Earth, the vast majority of them live on the seafloor, with only a few types sometimes venturing closer to the water's surface.
—Mary Walrath-Holdridge, USA TODAY, 24 Mar. 2025
Another theory is that the mako may have ventured unusually close to the seafloor, where the octopus could have mistaken it for a rock or another surface to hide on.
—Melissa Cristina Márquez, Forbes.com, 1 Apr. 2025
See All Example Sentences for seafloor
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Jason Mastrodonato, Mercury News, 4 Apr. 2025
Current mining regulations focus primarily on the seafloor, overlooking broader ecosystem impacts.
—Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
Of the approximately 300 species of octopus scattered across every ocean on Earth, the vast majority of them live on the seafloor, with only a few types sometimes venturing closer to the water's surface.
—Mary Walrath-Holdridge, USA TODAY, 24 Mar. 2025
Another theory is that the mako may have ventured unusually close to the seafloor, where the octopus could have mistaken it for a rock or another surface to hide on.
—Melissa Cristina Márquez, Forbes.com, 1 Apr. 2025
See All Example Sentences for seafloor
Cite this Entry
“Seafloor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seafloor. Accessed 23 Apr. 2025.
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